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

The process whose specific outcome is the progression of the mesonephros over time, from its formation to the mature structure. In mammals, the mesonephros is the second of the three embryonic kidneys to be established and exists only transiently. In lower vertebrates such as fish and amphibia, the mesonephros will form the mature kidney.

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.

The process in which the anatomical structures of the middle ear are generated and organized. The middle ear is the air-filled cavity within the skull of vertebrates that lies between the outer ear and the inner ear. It is linked to the pharynx (and therefore to outside air) via the Eustachian tube and in mammals contains the three ear ossicles, which transmit auditory vibrations from the outer ear (via the tympanum) to the inner ear (via the oval window).

The process whose specific outcome is the progression of a tooth or teeth over time, from formation to the mature structure(s). A tooth is any hard bony, calcareous, or chitinous organ found in the mouth or pharynx of an animal and used in procuring or masticating food.

The biological process whose specific outcome is the progression of the roof of the mouth from an initial condition to its mature state. This process begins with the formation of the structure and ends with the mature structure. The roof of the mouth is the partition that separates the nasal and oral cavities.

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

Any process that activates or increases the frequency, rate or extent of transcription from an RNA polymerase II promoter.

The process whose specific outcome is the progression of the pronephros over time, from its formation to the mature structure. In mammals, the pronephros is the first of the three embryonic kidneys to be established and exists only transiently. In lower vertebrates such as fish and amphibia, the pronephros is the fully functional embryonic kidney and is indispensable for larval life.

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

The process whose specific outcome is the progression of the heart over time, from its formation to the mature structure. The heart is a hollow, muscular organ, which, by contracting rhythmically, keeps up the circulation of the blood.

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 biological process whose specific outcome is the progression of a metanephric mesenchyme from an initial condition to its mature state. This process begins with the formation of metanephric mesenchyme and ends with the mature structure. Metanephric mesenchyme is the tissue made up of loosely connected mesenchymal cells in the metanephros.

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

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

The process in which relatively unspecialized cells acquire specialized structural and/or functional features that characterize the mesenchymal cells of the metanephros as it progresses from its formation to the mature state.

The process in which the tubules of the anterior mesonephros acquire their identity.

The process in which the tubules of the posterior mesonephros acquire their identity.

Any process that decreases the frequency, rate or extent of nephron tubule epithelial cell differentiation.

The process in which relatively unspecialized cells acquire specialized structural and/or functional features that characterize the renal vesicle progenitor cells of the kidney as it progresses from its formation to the mature state. A renal vesicle progenitor cell is a cell that will give rise to terminally differentiated cells of the renal vesicle without self-renewing.

The process whose specific outcome is the progression of the urothelium of the ureter over time, from its formation to the mature structure. The urothelium is an epithelium that makes up the epithelial tube of the ureter.

The process whose specific outcome is the progression of an epithelium in the metanephros over time, from its formation to the mature structure. An epithelium is a tissue that covers the internal or external surfaces of an anatomical structure.

The process whose specific outcome is the progression of smooth muscle in the metanephros over time, from its formation to the mature structure.

The progression of a metanephric nephron tubule over time, from its initial formation to the mature structure. A metanephric nephron tubule is an epithelial tube that is part of the metanephric nephron, the functional part of the metanephros.

The biological process whose specific outcome is the progression of a metanephric glomerulus vasculature from an initial condition to its mature state. This process begins with the formation of the metanephric glomerulus vasculature and ends with the mature structure. The metanephric glomerulus vasculature is composed of the tubule structures that carry blood or lymph in the metanephric glomerulus.

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

Any process that activates or increases the frequency, rate or extent of cellular DNA-templated transcription.

The process in which a chondroblast acquires specialized structural and/or functional features of a chondrocyte. A chondrocyte is a polymorphic cell that forms cartilage.

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.

Any process that activates or increases the frequency, rate or extent of bone mineralization.

The process, occurring in the embryo, by which the anatomical structures of the forelimb are generated and organized. The forelimbs are the front limbs of an animal, e.g. the arms of a human.

The process, occurring in the embryo, by which the anatomical structures of the hindlimbs are generated and organized. The hindlimbs are the posterior limbs of an animal.

The process, occurring in the embryo, in which the anatomical structures of a skeletal limb joint are generated and organized. A skeletal limb joint is the connecting structure between the bones of a limb.

The process, occurring in the embryo, by which the anatomical structures of the digit are generated and organized. A digit is one of the terminal divisions of an appendage, such as a finger or toe.

The process in which the anatomical structures of skeletal joints are generated and organized during the embryonic phase. A skeletal joint is the connecting structure between the bones of the skeleton.

The process, occurring during the embryonic phase, whose specific outcome is the progression of the skeletal joints over time, from formation to mature structure.

The process whose specific outcome is the progression of the pronephros over time, from its formation to the mature structure. In mammals, the pronephros is the first of the three embryonic kidneys to be established and exists only transiently. In lower vertebrates such as fish and amphibia, the pronephros is the fully functional embryonic kidney and is indispensable for larval life.

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

The process whose specific outcome is the progression of the metanephros over time, from its formation to the mature structure. In mammals, the metanephros is the excretory organ of the fetus, which develops into the mature kidney and is formed from the rear portion of the nephrogenic cord. The metanephros is an endocrine and metabolic organ that filters the blood and excretes the end products of body metabolism in the form of urine.

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

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

The process whose specific outcome is the progression of an embryo over time, from zygote formation until the end of the embryonic life stage. The end of the embryonic life stage is organism-specific and may be somewhat arbitrary; for mammals it is usually considered to be birth, for insects the hatching of the first instar larva from the eggshell.

Any process that stops, prevents, or reduces the frequency, rate or extent of epithelial cell differentiation.

The multiplication or reproduction of osteoblasts, resulting in the expansion of an osteoblast cell population. An osteoblast is a bone-forming cell which secretes an extracellular matrix. Hydroxyapatite crystals are then deposited into the matrix to form bone.

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

Any process that stops, prevents, or reduces the frequency, rate or extent of cellular DNA-templated transcription.

The process in which the anatomical structures of the skeleton are generated and organized during the embryonic phase.

The process in which bones are generated and organized.

The progression of the eyelid in a camera-type eye from its formation to the mature state. The eyelid is a membranous cover that helps protect and lubricate the eye.

The process in which the anatomical structures of a metanephric mesenchymal tissue are generated and organized. Metanephric mesenchyme is the tissue made up of loosely connected mesenchymal cells in the metanephros.

The progression of the posterior mesonephric tubule over time, from its initial formation to the mature structure. The posterior mesonephric tubule is an epithelial tube that is part of the mesonephros.

The process in which the anatomical structures of the mesonephric duct are generated and organized. A mesonephric duct is a tube drains the mesonephros.

Any developmental process that results in the creation of defined areas or spaces within the metanephros to which cells respond and eventually are instructed to differentiate.

The multiplication or reproduction of metanephric cap mesenchymal cells, resulting in the expansion of the cell population. A metanephric cap mesenchymal cell is a mesenchymal cell that has condensed with other mesenchymal cells surrounding the ureteric bud tip.

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

Any process that stops, prevents or reduces the frequency, rate or extent of creatine transmembrane transporter activity.

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

Any process that stops, prevents or reduces the frequency, rate or extent of sodium ion transmembrane transporter activity.

Any process that stops, prevents, or reduces the frequency, rate or extent of cellular DNA-templated transcription.

The process whose specific outcome is the progression of the kidney over time, from its formation to the mature structure. The kidney is an organ that filters the blood and/or excretes the end products of body metabolism in the form of urine.

The process whose specific outcome is the progression of the kidney over time, from its formation to the mature structure. The kidney is an organ that filters the blood and/or excretes the end products of body metabolism in the form of urine.

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.

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

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

The process whose specific outcome is the progression of the intermediate mesoderm over time, from its formation to the mature structure. The intermediate mesoderm is located between the lateral mesoderm and the paraxial mesoderm. It develops into the kidney and gonads.

The process whose specific outcome is the progression of the pronephros over time, from its formation to the mature structure. In mammals, the pronephros is the first of the three embryonic kidneys to be established and exists only transiently. In lower vertebrates such as fish and amphibia, the pronephros is the fully functional embryonic kidney and is indispensable for larval life.

The biological process whose specific outcome is the progression of a head from an initial condition to its mature state. The head is the anterior-most division of the body.

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 retinoic acid stimulus.

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

The process in which a chondroblast acquires specialized structural and/or functional features of a chondrocyte. A chondrocyte is a polymorphic cell that forms cartilage.

The process in which the anatomical structures of an imaginal disc-derived leg joint are generated and organized. The leg joint is a flexible region that separates the rigid sections of a leg to allow movement in a controlled manner. An example of this is found in Drosophila melanogaster.

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.

Any process that activates or increases the frequency, rate or extent of bone mineralization.

The process, occurring in the embryo, by which the anatomical structures of the forelimb are generated and organized. The forelimbs are the front limbs of an animal, e.g. the arms of a human.

The process, occurring in the embryo, by which the anatomical structures of the hindlimbs are generated and organized. The hindlimbs are the posterior limbs of an animal.

The process, occurring in the embryo, in which the anatomical structures of a skeletal limb joint are generated and organized. A skeletal limb joint is the connecting structure between the bones of a limb.

The process, occurring in the embryo, by which the anatomical structures of the digit are generated and organized. A digit is one of the terminal divisions of an appendage, such as a finger or toe.

Any process that activates or increases the frequency, rate or extent of transcription from an RNA polymerase II promoter.

Any process that activates or increases the frequency, rate or extent of transcription from an RNA polymerase II promoter.

The process, occurring during the embryonic phase, whose specific outcome is the progression of the skeletal joints over time, from formation to mature structure.

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

The process whose specific outcome is the progression of the metanephros over time, from its formation to the mature structure. In mammals, the metanephros is the excretory organ of the fetus, which develops into the mature kidney and is formed from the rear portion of the nephrogenic cord. The metanephros is an endocrine and metabolic organ that filters the blood and excretes the end products of body metabolism in the form of urine.

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

The process whose specific outcome is the progression of the mesonephros over time, from its formation to the mature structure. In mammals, the mesonephros is the second of the three embryonic kidneys to be established and exists only transiently. In lower vertebrates such as fish and amphibia, the mesonephros will form the mature kidney.

The process whose specific outcome is the progression of the mesonephros over time, from its formation to the mature structure. In mammals, the mesonephros is the second of the three embryonic kidneys to be established and exists only transiently. In lower vertebrates such as fish and amphibia, the mesonephros will form the mature kidney.

Specification of the terminal regions (the two non-segmented ends) of the embryo by the gap genes; exemplified in insects by the actions of huckebein and tailless gene products.

The process in which the anatomical structures of the hindgut are generated and organized.

The process in which the anatomical structures of a leg derived from an imaginal disc are generated and organized. A leg is a limb on which an animal walks and stands. An example of this is found in Drosophila melanogaster.

The process whose specific outcome is the progression of the heart over time, from its formation to the mature structure. The heart is a hollow, muscular organ, which, by contracting rhythmically, keeps up the circulation of the blood.

The process whose specific outcome is the progression of the gonad over time, from its formation to the mature structure. The gonad is an animal organ that produces gametes; in some species it also produces hormones.

The process that results in the patterns of cell differentiation that will arise in an embryo.

Any process that stops, prevents, or reduces the frequency, rate or extent of epithelial cell differentiation.

Progression of the wing disc over time, from its initial formation through to its metamorphosis to form adult structures including the wing hinge, wing blade and pleura.

The process in which the anatomical structures of the pronephric glomerulus are generated and organized. The pronephric glomerulus is part of the pronephric nephron and is restricted to one body segment.

The progression of the pronephric proximal tubule over time, from its formation to the mature structure. A pronephric nephron tubule is an epithelial tube that is part of the pronephros.

The process whose specific outcome is the progression of the pronephric distal tubule over time, from its formation to the mature structure. A pronephric nephron tubule is an epithelial tube that is part of the pronephros.

The process in which relatively unspecialized cells acquire specialized structural and/or functional features that characterize the cells of the pronephric nephron tubule as it progresses from its formation to the mature state.

The process in which a relatively unspecialized cell acquires the specialized structural and/or functional features of an angioblast cell. Angioblasts are one of the two products formed from hemangioblast cells (the other being pluripotent hemopoietic stem cells).

The process in which the anatomical structures of the middle ear are generated and organized. The middle ear is the air-filled cavity within the skull of vertebrates that lies between the outer ear and the inner ear. It is linked to the pharynx (and therefore to outside air) via the Eustachian tube and in mammals contains the three ear ossicles, which transmit auditory vibrations from the outer ear (via the tympanum) to the inner ear (via the oval window).

The process whose specific outcome is the progression of a tooth or teeth over time, from formation to the mature structure(s). A tooth is any hard bony, calcareous, or chitinous organ found in the mouth or pharynx of an animal and used in procuring or masticating food.

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

The process whose specific outcome is the progression of the mesendoderm over time, from its formation to the mature structure. In animal embryos, mesendoderm development gives rise to both mesoderm and endoderm tissues.

The process in which the anatomical structures of the foregut are generated and organized, during the embryonic phase.

The process in which the anatomical structures of the hindgut are generated and organized, during the embryonic phase.

The process whose specific outcome is the progression of the pronephros over time, from its formation to the mature structure. In mammals, the pronephros is the first of the three embryonic kidneys to be established and exists only transiently. In lower vertebrates such as fish and amphibia, the pronephros is the fully functional embryonic kidney and is indispensable for larval life.

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.

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

The biological process whose specific outcome is the progression of the roof of the mouth from an initial condition to its mature state. This process begins with the formation of the structure and ends with the mature structure. The roof of the mouth is the partition that separates the nasal and oral cavities.

The process in which the anatomical structures of skeletal joints are generated and organized during the embryonic phase. A skeletal joint is the connecting structure between the bones of the skeleton.

The biological process whose specific outcome is the progression of a metanephric mesenchyme from an initial condition to its mature state. This process begins with the formation of metanephric mesenchyme and ends with the mature structure. Metanephric mesenchyme is the tissue made up of loosely connected mesenchymal cells in the metanephros.

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

The process in which a relatively unspecialized cell acquires specialized features of a glomerular visceral epithelial cell. A glomerular visceral epithelial cell is a specialized epithelial cell that contains \feet\ that interdigitate with the \feet\ of other glomerular epithelial cells.

The process in which the anatomical structures of a metanephric mesenchymal tissue are generated and organized. Metanephric mesenchyme is the tissue made up of loosely connected mesenchymal cells in the metanephros.

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

The process in which relatively unspecialized cells acquire specialized structural and/or functional features that characterize the mesenchymal cells of the metanephros as it progresses from its formation to the mature state.

The progression of the posterior mesonephric tubule over time, from its initial formation to the mature structure. The posterior mesonephric tubule is an epithelial tube that is part of the mesonephros.

The process in which the tubules of the anterior mesonephros acquire their identity.

The process in which the tubules of the posterior mesonephros acquire their identity.

The process in which the anatomical structures of the mesonephric duct are generated and organized. A mesonephric duct is a tube drains the mesonephros.

Any process that decreases the frequency, rate or extent of nephron tubule epithelial cell differentiation.

The process in which relatively unspecialized cells acquire specialized structural and/or functional features that characterize the renal vesicle progenitor cells of the kidney as it progresses from its formation to the mature state. A renal vesicle progenitor cell is a cell that will give rise to terminally differentiated cells of the renal vesicle without self-renewing.

The process whose specific outcome is the progression of the urothelium of the ureter over time, from its formation to the mature structure. The urothelium is an epithelium that makes up the epithelial tube of the ureter.

The process whose specific outcome is the progression of an epithelium in the metanephros over time, from its formation to the mature structure. An epithelium is a tissue that covers the internal or external surfaces of an anatomical structure.

The process whose specific outcome is the progression of smooth muscle in the metanephros over time, from its formation to the mature structure.

The progression of a metanephric nephron tubule over time, from its initial formation to the mature structure. A metanephric nephron tubule is an epithelial tube that is part of the metanephric nephron, the functional part of the metanephros.

The biological process whose specific outcome is the progression of a metanephric glomerulus vasculature from an initial condition to its mature state. This process begins with the formation of the metanephric glomerulus vasculature and ends with the mature structure. The metanephric glomerulus vasculature is composed of the tubule structures that carry blood or lymph in the metanephric glomerulus.

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

Any developmental process that results in the creation of defined areas or spaces within the metanephros to which cells respond and eventually are instructed to differentiate.

The multiplication or reproduction of metanephric cap mesenchymal cells, resulting in the expansion of the cell population. A metanephric cap mesenchymal cell is a mesenchymal cell that has condensed with other mesenchymal cells surrounding the ureteric bud tip.

Any process that modulates the frequency, rate or extent of nodal signaling pathway.

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

Any process that stops, prevents or reduces the frequency, rate or extent of creatine transmembrane transporter activity.

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

Any process that stops, prevents or reduces the frequency, rate or extent of sodium ion transmembrane transporter activity.

The process whose specific outcome is the progression of the metanephros over time, from its formation to the mature structure. In mammals, the metanephros is the excretory organ of the fetus, which develops into the mature kidney and is formed from the rear portion of the nephrogenic cord. The metanephros is an endocrine and metabolic organ that filters the blood and excretes the end products of body metabolism in the form of urine.

The formation of mesodermal clusters that are arranged segmentally along the anterior posterior axis of an embryo.

Any process that modulates the frequency, rate or extent of cellular DNA-templated transcription.

The hierarchical steps resulting in the progressive subdivision of the anterior/posterior axis of the embryo.

Allocation of cells to parasegments in the embryo, through the action of overlapping series of pair rule gene activities.

The process whose specific outcome is the progression of the mesoderm over time, from its formation to the mature structure. The mesoderm is the middle germ layer that develops into muscle, bone, cartilage, blood and connective tissue.

The process whose specific outcome is the progression of the heart over time, from its formation to the mature structure. The heart is a hollow, muscular organ, which, by contracting rhythmically, keeps up the circulation of the blood.

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

The process whose specific outcome is the progression of an embryo over time, from zygote formation until the end of the embryonic life stage. The end of the embryonic life stage is organism-specific and may be somewhat arbitrary; for mammals it is usually considered to be birth, for insects the hatching of the first instar larva from the eggshell.

The multiplication or reproduction of osteoblasts, resulting in the expansion of an osteoblast cell population. An osteoblast is a bone-forming cell which secretes an extracellular matrix. Hydroxyapatite crystals are then deposited into the matrix to form bone.

The process, occurring in the embryo, by which the anatomical structures of the forelimb are generated and organized. The forelimbs are the front limbs of an animal, e.g. the arms of a human.

The process, occurring in the embryo, by which the anatomical structures of the hindlimbs are generated and organized. The hindlimbs are the posterior limbs of an animal.

The process in which the anatomical structures of the middle ear are generated and organized. The middle ear is the air-filled cavity within the skull of vertebrates that lies between the outer ear and the inner ear. It is linked to the pharynx (and therefore to outside air) via the Eustachian tube and in mammals contains the three ear ossicles, which transmit auditory vibrations from the outer ear (via the tympanum) to the inner ear (via the oval window).

The process whose specific outcome is the progression of a tooth or teeth over time, from formation to the mature structure(s). A tooth is any hard bony, calcareous, or chitinous organ found in the mouth or pharynx of an animal and used in procuring or masticating food.

The process whose specific outcome is the progression of the embryo over time, from zygote formation through a stage including a notochord and neural tube until birth or egg hatching.

Any process that activates or increases the frequency, rate or extent of cellular DNA-templated transcription.

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 the anatomical structures of the skeleton are generated and organized during the embryonic phase.

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

The biological process whose specific outcome is the progression of the roof of the mouth from an initial condition to its mature state. This process begins with the formation of the structure and ends with the mature structure. The roof of the mouth is the partition that separates the nasal and oral cavities.

The process whose specific outcome is the progression of a limb over time, from its formation to the mature structure. A limb is an appendage of an animal used for locomotion or grasping. Examples include legs, arms or some types of fin.

The process in which the anatomical structures of skeletal joints are generated and organized during the embryonic phase. A skeletal joint is the connecting structure between the bones of the skeleton.

The biological process whose specific outcome is the progression of a head from an initial condition to its mature state. The head is the anterior-most division of the body.

The process in which bones are generated and organized.

The progression of the eyelid in a camera-type eye from its formation to the mature state. The eyelid is a membranous cover that helps protect and lubricate the eye.

The biological process whose specific outcome is the progression of a nephrogenic mesenchyme from an initial condition to its mature state. This process begins with the formation of nephrogenic mesenchyme and ends with the mature structure. Nephrogenic mesenchyme is the tissue made up of loosely connected mesenchymal cells in the nephron.

Any process that stops, prevents, or reduces the frequency, rate or extent of mesonephric nephron tubule epithelial cell differentiation.

A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.

A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.

The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.

The component of a membrane consisting of gene products and protein complexes that are loosely bound to one of its surfaces, but not integrated into the hydrophobic region.

A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.

A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.

The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.

The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.

The component of a membrane consisting of gene products and protein complexes that are loosely bound to one of its surfaces, but not integrated into the hydrophobic region.

The component of a membrane consisting of gene products and protein complexes that are loosely bound to one of its surfaces, but not integrated into the hydrophobic region.