Any process that modulates the surface configuration of a cell.

The process whose specific outcome is the progression of the ovarian follicle over time, from its formation to the mature structure.

The process in which a precursor cell type acquires the specialized features of an immature B cell.

Any process that contributes to cytokine production by a dendritic cell.

The immediate defensive reaction (by vertebrate tissue) to infection or injury caused by chemical or physical agents. The process is characterized by local vasodilation, extravasation of plasma into intercellular spaces and accumulation of white blood cells and macrophages.

The process of formation of spermatozoa, including spermatocytogenesis and spermiogenesis.

The phosphorylation of peptidyl-tyrosine to form peptidyl-O4'-phospho-L-tyrosine.

Formation of a lamellipodium, a thin sheetlike extension of the surface of a migrating cell.

The process in which a precursor cell type acquires characteristics of a more mature T-cell. A T cell is a type of lymphocyte whose definin characteristic is the expression of a T cell receptor complex.

The process in which a myeloid precursor cell acquires specializes features of an erythrocyte.

The process in which a relatively unspecialized cell acquires specialized features of a melanocyte.

The stages of blood cell formation that take place within the embryo.

The process whose specific outcome is the progression of a megakaryocyte cell over time, from its formation to the mature structure. Megakaryocyte development does not include the steps involved in committing a cell to a megakaryocyte fate. A megakaryocyte is a giant cell 50 to 100 micron in diameter, with a greatly lobulated nucleus, found in the bone marrow.

A series of molecular signals initiated by the binding of erythropoietin (EPO) to the erythropoietin receptor (EPO-R) on the surface of a cell, and ending with regulation of a downstream cellular process, e.g. transcription.

The accumulation of pigment in an organism, tissue or cell, either by increased deposition or by increased number of cells.

The process whose specific outcome is the progression of the digestive tract over time, from its formation to the mature structure. The digestive tract is the anatomical structure through which food passes and is processed.

The process in which a relatively unspecialized cell acquires specialized features of a stem cell. A stem cell is a cell that retains the ability to divide and proliferate throughout life to provide progenitor cells that can differentiate into specialized cells.

The series of events involved in the perception of sound vibration in which the vibration is received and converted into a molecular signal.

The process in which a relatively unspecialized myeloid precursor cell acquires the specialized features of a mast cell. A mast cell is a cell that is found in almost all tissues containing numerous basophilic granules and capable of releasing large amounts of histamine and heparin upon activation.

The orderly movement of melanocytes from one site to another, often during the development of a multicellular organism. A melanocyte is a pigment cell derived from the neural crest. It contains melanin-filled pigment granules, which give a brown to black appearance.

The attachment of a melanocyte to another cell via adhesion molecules.

A process that is carried out at the cellular level which results in dynamic structural changes to the arrangement of constituent parts of cytoskeletal structures comprising actin filaments and their associated proteins.

Any process that contributes to cytokine production by a mast cell.

A series of molecular signals initiated by the binding of the Fc portion of an immunoglobulin to an Fc receptor on the surface of a signal-receiving cell, and ending with regulation of a downstream cellular process, e.g. transcription. The Fc portion of an immunoglobulin is its C-terminal constant region.

The regulated exocytosis of secretory granules containing preformed mediators such as histamine, serotonin, and neutral proteases by a mast cell.

The directed movement of a motile cell guided by a specific chemical concentration gradient. Movement may be towards a higher concentration (positive chemotaxis) or towards a lower concentration (negative chemotaxis).

The initiation of the activity of the inactive enzyme MAP kinase (MAPK).

The phosphorylation of peptidyl-tyrosine to form peptidyl-O4'-phospho-L-tyrosine.

A series of molecular signals initiated by the binding of a cytokine to a receptor on the surface of a cell, and ending with regulation of a downstream cellular process, e.g. transcription.

A series of molecular signals that starts with the binding of stem cell factor to the tyrosine kinase receptor KIT on the surface of a cell, and ends with regulation of a downstream cellular process, e.g. transcription. Stem cell factor (KIT ligand) binding to the receptor Kit mediates receptor dimerization, activation of its intrinsic tyrosine kinase activity and autophosphorylation. The activated receptor then phosphorylates various substrates, thereby activating distinct signaling cascades within the cell that trigger a change in state or activity of the cell.

The phosphorylation by a protein of one or more of its own amino acid residues (cis-autophosphorylation), or residues on an identical protein (trans-autophosphorylation).

Any process that activates or increases the rate or extent of cell proliferation.

Any process that activates or increases the frequency, rate or extent of cell migration.

The process of formation of spermatozoa, including spermatocytogenesis and spermiogenesis.

The process in which a relatively unspecialized cell acquires specialized features of a melanocyte.

Any process that activates or increases the frequency, rate or extent of the introduction of a phosphate group to a tyrosine residue of a STAT (Signal Transducer and Activator of Transcription) protein.

The accumulation of pigment in an organism, tissue or cell, either by increased deposition or by increased number of cells.

Any process that modulates the frequency, rate or extent of bone tissue loss (resorption).

The developmental process that results in the deposition of coloring matter in an organism, tissue or cell.

The developmental process that results in the deposition of coloring matter in an organism, tissue or cell.

The orderly movement of melanocytes from one site to another, often during the development of a multicellular organism. A melanocyte is a pigment cell derived from the neural crest. It contains melanin-filled pigment granules, which give a brown to black appearance.

The cellular process in which a signal is conveyed to trigger a change in the activity or state of a cell. Signal transduction begins with reception of a signal (e.g. a ligand binding to a receptor or receptor activation by a stimulus such as light), or for signal transduction in the absence of ligand, signal-withdrawal or the activity of a constitutively active receptor. Signal transduction ends with regulation of a downstream cellular process, e.g. regulation of transcription or regulation of a metabolic process. Signal transduction covers signaling from receptors located on the surface of the cell and signaling via molecules located within the cell. For signaling between cells, signal transduction is restricted to events at and within the receiving cell.

A series of molecular signals initiated by the binding of an extracellular ligand to a receptor on the surface of the target cell where the receptor possesses tyrosine kinase activity, and ending with regulation of a downstream cellular process, e.g. transcription.

Any process that activates or increases the rate or extent of cell proliferation.

The orderly movement of a cell specialized to produce haploid gametes through the embryo from its site of production to the place where the gonads will form.

Any process that modulates the surface configuration of a cell.

Any process in an organism in which a change in behavior of an individual occurs in response to repeated exposure to a visual cue.

Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of an electromagnetic radiation stimulus. Electromagnetic radiation is a propagating wave in space with electric and magnetic components. These components oscillate at right angles to each other and to the direction of propagation.

The phosphorylation of peptidyl-tyrosine to form peptidyl-O4'-phospho-L-tyrosine.

A series of molecular signals initiated by the binding of a cytokine to a receptor on the surface of a cell, and ending with regulation of a downstream cellular process, e.g. transcription.

A series of molecular signals initiated by the binding of a cytokine to a receptor on the surface of a cell, and ending with regulation of a downstream cellular process, e.g. transcription.

The process in which a relatively unspecialized monocyte acquires the specialized features of an osteoclast. An osteoclast is a specialized phagocytic cell associated with the absorption and removal of the mineralized matrix of bone tissue.

Any process that activates or increases the frequency, rate or extent of cell migration.

Any process that activates or increases the frequency, rate or extent of the assembly of pseudopodia.

A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of a ruffle, a projection at the leading edge of a crawling cell.

Any process by which an organism retains a population of somatic stem cells, undifferentiated cells in the embryo or adult which can undergo unlimited division and give rise to cell types of the body other than those of the germ-line.

Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a macrophage colony-stimulating factor stimulus.

Any process that activates or increases the frequency, rate or extent of the introduction of a phosphate group to a tyrosine residue of a STAT (Signal Transducer and Activator of Transcription) protein.

The process whose specific outcome is the progression of the tongue over time, from its formation to the mature structure. The tongue is the movable, muscular organ on the floor of the mouth of most vertebrates, in many other mammals is the principal organ of taste, aids in the prehension of food, in swallowing, and in modifying the voice as in speech.

Any process that activates or increases the frequency, rate or extent of the Notch signaling pathway.

The chemical reactions and pathways involving phosphatidylinositol, any glycophospholipid in which a sn-glycerol 3-phosphate residue is esterified to the 1-hydroxyl group of 1D-myo-inositol.

Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a cadmium (Cd) ion stimulus.

The phosphorylation by a protein of one or more of its own amino acid residues (cis-autophosphorylation), or residues on an identical protein (trans-autophosphorylation).

A series of molecular signals in which a cell uses a phosphatidylinositol-mediated signaling to convert a signal into a response. Phosphatidylinositols include phosphatidylinositol (PtdIns) and its phosphorylated derivatives.

The self-renewing division of a somatic stem cell, a stem cell that can give rise to cell types of the body other than those of the germ-line.

A process that increases long-term neuronal synaptic plasticity, the ability of neuronal synapses to change long-term as circumstances require. Long-term neuronal synaptic plasticity generally involves increase or decrease in actual synapse numbers.

The multiplication or reproduction of epithelial cells, resulting in the expansion of a cell population. Epithelial cells make up the epithelium, the covering of internal and external surfaces of the body, including the lining of vessels and other small cavities. It consists of cells joined by small amounts of cementing substances.

Any process that activates or increases the frequency, rate or extent of signal transduction mediated by the ERK1 and ERK2 cascade.

Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a cytokine stimulus.

Any process that increases the rate, frequency, or extent of protein serine/threonine kinase activity.

Any process that increases the frequency, rate or extent of any pyloric antrum smooth muscle contraction.

Any process that modulates the frequency, rate or extent of bile acid metabolic process.

Any process that activates or increases the frequency, rate or extent of colon smooth muscle contraction.

Any process that activates or increases the frequency, rate or extent of small intestine smooth muscle contraction.

Any process that modulates the frequency, rate or extent of actin cytoskeleton reorganization.

An intracellular protein kinase cascade containing at least a MAPK, a MAPKK and a MAP3K. The cascade can also contain an additional tiers: the upstream MAP4K. The kinases in each tier phosphorylate and activate the kinase in the downstream tier to transmit a signal within a cell.

The initiation of the activity of the inactive enzyme MAP kinase (MAPK).

Any process that activates or increases the frequency, rate or extent of addition of phosphate groups to amino acids within a protein.

An immune response taking place in the brain or nervous system.

The movement of a mast cell in response to an external stimulus.

Any process that results in a change in state or activity of an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a inadequate blood supply.

Any process that modulates the frequency, rate or extent of transcription mediated by RNA polymerase II.

A series of molecular signals initiated by the binding of an extracellular ligand to a receptor on the surface of the target cell where the receptor possesses tyrosine kinase activity, and ending with regulation of a downstream cellular process, e.g. transcription.

A series of molecular signals initiated by the binding of an extracellular ligand to a receptor on the surface of the target cell where the receptor possesses tyrosine kinase activity, and ending with regulation of a downstream cellular process, e.g. transcription.

The process of formation of spermatozoa, including spermatocytogenesis and spermiogenesis.

The chemotaxis process that directs the migration of an axon growth cone to a specific target site in response to a combination of attractive and repulsive cues.

The multiplication or reproduction of cells, resulting in the expansion of a cell population.

Any process that activates or increases the rate or extent of cell proliferation.

Any process that stops, prevents or reduces the rate or extent of cell proliferation.

Any process that modulates the surface configuration of a cell.

The process whose specific outcome is the progression of the male gonad over time, from its formation to the mature structure.

Any process that increases the rate, frequency or extent of macrophage chemotaxis. Macrophage chemotaxis is the movement of a macrophage in response to an external stimulus.

Any process that increases the rate of phospholipase C activity.

The process in which a relatively unspecialized cell acquires specialized features of a microglial cell. Microglia are glial cells that act as the immune cells of the central nervous system. They form part of the supporting structure of this system.

Any process that activates or increases the frequency, rate or extent of signal transduction mediated by the phosphatidylinositol 3-kinase cascade.

The process by which an organism or tissue maintains a population of stem cells of a single type. This can be achieved by a number of mechanisms: stem cell asymmetric division maintains stem cell numbers; stem cell symmetric division increases them; maintenance of a stem cell niche maintains the conditions for commitment to the stem cell fate for some types of stem cell; stem cells may arise de novo from other cell types.

The progression of the olfactory bulb over time from its initial formation until its mature state. The olfactory bulb coordinates neuronal signaling involved in the perception of smell. It receives input from the sensory neurons and outputs to the olfactory cortex.

The process in which a relatively unspecialized cell acquires specialized features of a neuron that will reside in the forebrain.

The process whose specific outcome is the progression of the myeloid and lymphoid derived organ/tissue systems of the blood and other parts of the body over time, from formation to the mature structure. The site of hemopoiesis is variable during development, but occurs primarily in bone marrow or kidney in many adult vertebrates.

The process whose specific outcome is the progression of the myeloid and lymphoid derived organ/tissue systems of the blood and other parts of the body over time, from formation to the mature structure. The site of hemopoiesis is variable during development, but occurs primarily in bone marrow or kidney in many adult vertebrates.

The process whose specific outcome is the progression of the myeloid and lymphoid derived organ/tissue systems of the blood and other parts of the body over time, from formation to the mature structure. The site of hemopoiesis is variable during development, but occurs primarily in bone marrow or kidney in many adult vertebrates.

The process in which a relatively unspecialized monocyte acquires the specialized features of an osteoclast. An osteoclast is a specialized phagocytic cell associated with the absorption and removal of the mineralized matrix of bone tissue.

The process in which a relatively unspecialized cell acquires specialized features of a melanocyte.

A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of a ruffle, a projection at the leading edge of a crawling cell.

A process that is carried out at the cellular level which results in dynamic structural changes to the arrangement of constituent parts of cytoskeletal structures comprising actin filaments and their associated proteins.

Any process that contributes to cytokine production by a mast cell.

Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a macrophage colony-stimulating factor stimulus.

Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a macrophage colony-stimulating factor stimulus.

The process whose specific outcome is the progression of a osteoclast from its formation to the mature structure. Cell development does not include the steps involved in committing a cell to a specific fate. An osteoclast is a specialized phagocytic cell associated with the absorption and removal of the mineralized matrix of bone tissue.

A series of molecular signals initiated by the binding of the Fc portion of an immunoglobulin to an Fc receptor on the surface of a signal-receiving cell, and ending with regulation of a downstream cellular process, e.g. transcription. The Fc portion of an immunoglobulin is its C-terminal constant region.

A series of molecular signals that starts with the binding of stem cell factor to the tyrosine kinase receptor KIT on the surface of a cell, and ends with regulation of a downstream cellular process, e.g. transcription. Stem cell factor (KIT ligand) binding to the receptor Kit mediates receptor dimerization, activation of its intrinsic tyrosine kinase activity and autophosphorylation. The activated receptor then phosphorylates various substrates, thereby activating distinct signaling cascades within the cell that trigger a change in state or activity of the cell.

A series of molecular signals initiated by the binding of the cytokine macrophage colony-stimulating factor (M-CSF) to a receptor on the surface of a cell, and ending with regulation of a downstream cellular process, e.g. transcription.

Any process that modulates the frequency, rate or extent of cell proliferation.

Any process that stops, prevents, or reduces the frequency, rate or extent of cell death by apoptotic process.

The regulated exocytosis of secretory granules containing preformed mediators such as histamine, serotonin, and neutral proteases by a mast cell.

Any process that activates or increases the frequency, rate or extent of signal transduction mediated by the MAPK cascade.

Any process that activates or increases the frequency, rate or extent of phosphatidylinositol 3-kinase activity.

A process in which a host organism activates or increases the frequency, rate or extent of the release of a process being mediated by a virus with which it is infected.

Any process that modulates the frequency, rate or extent of bone tissue loss (resorption).

The maintenance of junctions between cells.

Any process that activates or increases the frequency, rate or extent of osteoclast differentiation.

Any process that activates or increases the frequency, rate or extent of the JAK-STAT signaling pathway activity.

The chemical reactions and pathways involving phosphatidylinositol, any glycophospholipid in which a sn-glycerol 3-phosphate residue is esterified to the 1-hydroxyl group of 1D-myo-inositol.

The phosphorylation by a protein of one or more of its own amino acid residues (cis-autophosphorylation), or residues on an identical protein (trans-autophosphorylation).

A series of molecular signals in which a cell uses a phosphatidylinositol-mediated signaling to convert a signal into a response. Phosphatidylinositols include phosphatidylinositol (PtdIns) and its phosphorylated derivatives.

The movement of a macrophage in response to an external stimulus.

The process in which a relatively unspecialized cell acquires the specialized features of a xanthophore cell. Xanthophores are pigment cells derived from the neural crest. They contain pteridine and/or carotenoid pigments in structures called pterinosomes or xanthosomes. This makes them yellow to orange in appearance.

Any process that activates or increases the frequency, rate or extent of activity of a transcription factor, any factor involved in the initiation or regulation of transcription.

Any process that activates or increases the frequency, rate or extent of protein kinase B signaling, a series of reactions mediated by the intracellular serine/threonine kinase protein kinase B.

The directed movement of a motile cell guided by a specific chemical concentration gradient. Movement may be towards a higher concentration (positive chemotaxis) or towards a lower concentration (negative chemotaxis).

The process in which a relatively unspecialized myeloid precursor cell acquires the specialized features of a mast cell. A mast cell is a cell that is found in almost all tissues containing numerous basophilic granules and capable of releasing large amounts of histamine and heparin upon activation.

Any process that increases the rate, frequency, or extent of neural retina development, the progression of the neural retina over time from its initial formation to the mature structure. The neural retina is the part of the retina that contains neurons and photoreceptor cells.

Any process that increases the rate, frequency, or extent of protein tyrosine kinase activity.

The expansion of a microglial cell population by cell division.

Any process that activates or increases the frequency, rate or extent of signal transduction mediated by the ERK1 and ERK2 cascade.

The expansion of a mast cell population by cell division.

Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a cytokine stimulus.

Any process that increases the rate, frequency, or extent of protein serine/threonine kinase activity.

Any process that increases the rate, frequency or extent of chemokine secretion, the regulated release of chemokines from a cell.

Any process that activates or increases the frequency, rate or extent of vascular smooth muscle cell differentiation.

Any process that activates or increases the frequency, rate or extent of cell motility.

Any process that modulates the frequency, rate or extent of actin cytoskeleton reorganization.

The initiation of the activity of the inactive enzyme MAP kinase (MAPK).

The process whose specific outcome is the progression of the ovarian follicle over time, from its formation to the mature structure.

Any process that activates or increases the frequency, rate or extent of addition of phosphate groups to amino acids within a protein.

The process in which a precursor cell type acquires the specialized features of a myeloid progenitor cell. Myeloid progenitor cells include progenitor cells for any of the myeloid lineages.

The process in which a precursor cell type acquires the specialized features of a lymphoid progenitor cell. Lymphoid progenitor cells include progenitor cells for any of the lymphoid lineages.

The process in which a precursor cell type acquires the specialized features of an immature B cell.

Any process that contributes to cytokine production by a dendritic cell.

The movement of a mast cell in response to an external stimulus.

The process in which a relatively unspecialized myeloid precursor cell acquires the specialized features of any cell of the myeloid leukocyte lineage.

Any process that results in a change in state or activity of an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a inadequate blood supply.

The process of introducing a phosphate group on to a protein.

The chemical reactions and pathways involving glycosphingolipids, any compound with residues of sphingoid and at least one monosaccharide.

The directed movement of a motile cell or organism, or the directed growth of a cell guided by a specific chemical concentration gradient. Movement may be towards a higher concentration (positive chemotaxis) or towards a lower concentration (negative chemotaxis).

The immediate defensive reaction (by vertebrate tissue) to infection or injury caused by chemical or physical agents. The process is characterized by local vasodilation, extravasation of plasma into intercellular spaces and accumulation of white blood cells and macrophages.

The immediate defensive reaction (by vertebrate tissue) to infection or injury caused by chemical or physical agents. The process is characterized by local vasodilation, extravasation of plasma into intercellular spaces and accumulation of white blood cells and macrophages.

The biological process whose specific outcome is the progression of a multicellular organism over time from an initial condition (e.g. a zygote or a young adult) to a later condition (e.g. a multicellular animal or an aged adult).

The process whose specific outcome is the progression of an immature germ cell over time, from its formation to the mature structure (gamete). A germ cell is any reproductive cell in a multicellular organism.

The process of formation of spermatozoa, including spermatocytogenesis and spermiogenesis.

The process whose specific outcome is the progression of a spermatid over time, from its formation to the mature structure.

The developmental sequence of events leading to the formation of adult skeletal muscle tissue. The main events are: the fusion of myoblasts to form myotubes that increase in size by further fusion to them of myoblasts, the formation of myofibrils within their cytoplasm and the establishment of functional neuromuscular junctions with motor neurons. At this stage they can be regarded as mature muscle fibers.

The multiplication or reproduction of cells, resulting in the expansion of a cell population.

The multiplication or reproduction of cells, resulting in the expansion of a cell population.

The multiplication or reproduction of cells, resulting in the expansion of a cell population.

Any process that activates or increases the rate or extent of cell proliferation.

The orderly movement of a cell specialized to produce haploid gametes through the embryo from its site of production to the place where the gonads will form.

Any process that modulates the surface configuration of a cell.

Any process in an organism in which a change in behavior of an individual occurs in response to repeated exposure to a visual cue.

Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of an electromagnetic radiation stimulus. Electromagnetic radiation is a propagating wave in space with electric and magnetic components. These components oscillate at right angles to each other and to the direction of propagation.

Any process that increases the frequency, rate or extent of gene expression. Gene expression is the process in which a gene's coding sequence is converted into a mature gene product or products (proteins or RNA). This includes the production of an RNA transcript as well as any processing to produce a mature RNA product or an mRNA or circRNA (for protein-coding genes) and the translation of that mRNA or circRNA into protein. Protein maturation is included when required to form an active form of a product from an inactive precursor form.

A process in which force is generated within smooth muscle tissue, resulting in a change in muscle geometry. This process occurs in the gastro-intestinal system. Force generation involves a chemo-mechanical energy conversion step that is carried out by the actin/myosin complex activity, which generates force through ATP hydrolysis. The gastro-intestinal system generally refers to the digestive structures stretching from the mouth to anus, but does not include the accessory glandular organs (liver, pancreas and biliary tract).

A series of molecular signals initiated by the binding of a cytokine to a receptor on the surface of a cell, and ending with regulation of a downstream cellular process, e.g. transcription.

A series of molecular signals initiated by the binding of a cytokine to a receptor on the surface of a cell, and ending with regulation of a downstream cellular process, e.g. transcription.

Formation of a lamellipodium, a thin sheetlike extension of the surface of a migrating cell.

The process in which relatively unspecialized cells, e.g. embryonic or regenerative cells, acquire specialized structural and/or functional features that characterize the cells, tissues, or organs of the mature organism or some other relatively stable phase of the organism's life history. Differentiation includes the processes involved in commitment of a cell to a specific fate and its subsequent development to the mature state.

The process in which a precursor cell type acquires characteristics of a more mature T-cell. A T cell is a type of lymphocyte whose definin characteristic is the expression of a T cell receptor complex.

The process in which a myeloid precursor cell acquires specializes features of an erythrocyte.

The process in which a myeloid precursor cell acquires specializes features of an erythrocyte.

The process in which a relatively unspecialized myeloid precursor cell acquires the specialized features of a monocyte.

The process in which a relatively unspecialized monocyte acquires the specialized features of a macrophage.

The process in which a relatively unspecialized cell acquires specialized features of a melanocyte.

Any process that activates or increases the frequency, rate or extent of cell migration.

Any process that activates or increases the frequency, rate or extent of the assembly of pseudopodia.

A process that is carried out at the cellular level which results in dynamic structural changes to the arrangement of constituent parts of cytoskeletal structures comprising actin filaments and their associated proteins.

Any process that contributes to cytokine production by a mast cell.

Any process by which an organism retains a population of somatic stem cells, undifferentiated cells in the embryo or adult which can undergo unlimited division and give rise to cell types of the body other than those of the germ-line.

The stages of blood cell formation that take place within the embryo.

Programmed cell death of an errant germ line cell that is outside the normal migratory path or ectopic to the gonad. This is an important mechanism of regulating germ cell survival within the embryo.

The process in which a signal is passed on to downstream components within the cell, which become activated themselves to further propagate the signal and finally trigger a change in the function or state of the cell.

The orderly movement of a hematopoietic stem cell from one site to another. A hematopoietic stem cell is a cell from which all cells of the lymphoid and myeloid lineages develop, including blood cells and cells of the immune system.

The process whose specific outcome is the progression of a megakaryocyte cell over time, from its formation to the mature structure. Megakaryocyte development does not include the steps involved in committing a cell to a megakaryocyte fate. A megakaryocyte is a giant cell 50 to 100 micron in diameter, with a greatly lobulated nucleus, found in the bone marrow.

A series of molecular signals initiated by the binding of the Fc portion of an immunoglobulin to an Fc receptor on the surface of a signal-receiving cell, and ending with regulation of a downstream cellular process, e.g. transcription. The Fc portion of an immunoglobulin is its C-terminal constant region.

A series of molecular signals that starts with the binding of stem cell factor to the tyrosine kinase receptor KIT on the surface of a cell, and ends with regulation of a downstream cellular process, e.g. transcription. Stem cell factor (KIT ligand) binding to the receptor Kit mediates receptor dimerization, activation of its intrinsic tyrosine kinase activity and autophosphorylation. The activated receptor then phosphorylates various substrates, thereby activating distinct signaling cascades within the cell that trigger a change in state or activity of the cell.

A series of molecular signals initiated by the binding of the cytokine macrophage colony-stimulating factor (M-CSF) to a receptor on the surface of a cell, and ending with regulation of a downstream cellular process, e.g. transcription.

A series of molecular signals initiated by the binding of erythropoietin (EPO) to the erythropoietin receptor (EPO-R) on the surface of a cell, and ending with regulation of a downstream cellular process, e.g. transcription.

Any process that activates or increases the frequency, rate or extent of the introduction of a phosphate group to a tyrosine residue of a STAT (Signal Transducer and Activator of Transcription) protein.

Any process that stops, prevents, or reduces the frequency, rate or extent of programmed cell death, cell death resulting from activation of endogenous cellular processes.

Any process that stops, prevents, or reduces the frequency, rate or extent of programmed cell death, cell death resulting from activation of endogenous cellular processes.

The regulated exocytosis of secretory granules containing preformed mediators such as histamine, serotonin, and neutral proteases by a mast cell.

Any process that activates or increases the frequency, rate or extent of MAP kinase activity.

Any process that activates or increases the frequency, rate or extent of signal transduction mediated by the MAPK cascade.

The accumulation of pigment in an organism, tissue or cell, either by increased deposition or by increased number of cells.

Any process that modulates the frequency, rate or extent of bone tissue loss (resorption).

The maintenance of junctions between cells.

Any process that activates or increases the frequency, rate or extent of osteoclast differentiation.

Any process that activates or increases the frequency, rate or extent of the Notch signaling pathway.

Any process that activates or increases the frequency, rate or extent of the JAK-STAT signaling pathway activity.

The phosphorylation by a protein of one or more of its own amino acid residues (cis-autophosphorylation), or residues on an identical protein (trans-autophosphorylation).

The self-renewing division of a somatic stem cell, a stem cell that can give rise to cell types of the body other than those of the germ-line.

A process that increases long-term neuronal synaptic plasticity, the ability of neuronal synapses to change long-term as circumstances require. Long-term neuronal synaptic plasticity generally involves increase or decrease in actual synapse numbers.

The process whose specific outcome is the progression of the digestive tract over time, from its formation to the mature structure. The digestive tract is the anatomical structure through which food passes and is processed.

The process in which a relatively unspecialized cell acquires specialized features of a stem cell. A stem cell is a cell that retains the ability to divide and proliferate throughout life to provide progenitor cells that can differentiate into specialized cells.

The process in which the developmental fate of a cell becomes restricted such that it will develop into a stem cell.

The multiplication or reproduction of epithelial cells, resulting in the expansion of a cell population. Epithelial cells make up the epithelium, the covering of internal and external surfaces of the body, including the lining of vessels and other small cavities. It consists of cells joined by small amounts of cementing substances.

The series of events involved in the perception of sound vibration in which the vibration is received and converted into a molecular signal.

Any process that activates or increases the frequency, rate or extent of activity of a transcription factor, any factor involved in the initiation or regulation of transcription.

The directed movement of a motile cell guided by a specific chemical concentration gradient. Movement may be towards a higher concentration (positive chemotaxis) or towards a lower concentration (negative chemotaxis).

The process in which a relatively unspecialized myeloid precursor cell acquires the specialized features of a mast cell. A mast cell is a cell that is found in almost all tissues containing numerous basophilic granules and capable of releasing large amounts of histamine and heparin upon activation.

The process in which anatomical structures of the mammary ducts are generated and organized. Mammary ducts are epithelial tubes that transport milk.

Any process that increases the rate, frequency, or extent of protein tyrosine kinase activity.

Any process that increases the rate, frequency or extent of chemokine secretion, the regulated release of chemokines from a cell.

A change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a thyroid hormone stimulus.

The attachment of a melanocyte to another cell via adhesion molecules.

Any process that increases the frequency, rate or extent of any pyloric antrum smooth muscle contraction.

Any apoptotic process in a melanocyte, the main structural component of the epidermis.

Any process that modulates the frequency, rate or extent of bile acid metabolic process.

Any process that activates or increases the frequency, rate or extent of colon smooth muscle contraction.

Any process that activates or increases the frequency, rate or extent of small intestine smooth muscle contraction.

Any process that activates or increases the frequency, rate or extent of vascular smooth muscle cell differentiation.

Any process that activates or increases the frequency, rate or extent of cell motility.

The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.

The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.

The leaflet of the plasma membrane that faces away from the cytoplasm and any proteins embedded or anchored in it or attached to its surface.

A structure in the head of a spermatozoon that contains acid hydrolases, and is concerned with the breakdown of the outer membrane of the ovum during fertilization. It lies just beneath the plasma membrane and is derived from the lysosome.

All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.

The leaflet the plasma membrane that faces the cytoplasm and any proteins embedded or anchored in it or attached to its surface.

The external part of the cell wall and/or plasma membrane.

The external part of the cell wall and/or plasma membrane.

That part of a multicellular organism outside the cells proper, usually taken to be outside the plasma membranes, and occupied by fluid.

That part of the nuclear content other than the chromosomes or the nucleolus.

A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.

Organized structure of distinctive morphology and function, bounded by a single or double lipid bilayer membrane and occurring within the cell. Includes the nucleus, mitochondria, plastids, vacuoles, and vesicles. Excludes the plasma membrane.

A protein complex consisting of a macrophage colony-stimulating factor (CSF1, also called M-CSF) dimer bound to a dimerized receptor (CSF1R, also called FMS). Receptor dimerization requires the presence of the ligand.

A structure in the head of a spermatozoon that contains acid hydrolases, and is concerned with the breakdown of the outer membrane of the ovum during fertilization. It lies just beneath the plasma membrane and is derived from the lysosome.

That part of a multicellular organism outside the cells proper, usually taken to be outside the plasma membranes, and occupied by fluid.

That part of the nuclear content other than the chromosomes or the nucleolus.

All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

The component of the plasma membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.

A cell junction that forms a connection between two or more cells in a multicellular organism; excludes direct cytoplasmic junctions such as ring canals.

The leaflet of the plasma membrane that faces away from the cytoplasm and any proteins embedded or anchored in it or attached to its surface.

The leaflet the plasma membrane that faces the cytoplasm and any proteins embedded or anchored in it or attached to its surface.

Organized structure of distinctive morphology and function, bounded by a single or double lipid bilayer membrane and occurring within the cell. Includes the nucleus, mitochondria, plastids, vacuoles, and vesicles. Excludes the plasma membrane.

A protein complex consisting of a macrophage colony-stimulating factor (CSF1, also called M-CSF) dimer bound to a dimerized receptor (CSF1R, also called FMS). Receptor dimerization requires the presence of the ligand.