The attachment of one cell to another cell via adhesion molecules.

The change in form (cell shape and size) that occurs when 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.

The change in form that occurs when an epithelial cell progresses from its initial formation to its mature state.

A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of cytoskeletal structures comprising actin filaments. Includes processes that control the spatial distribution of actin filaments, such as organizing filaments into meshworks, bundles, or other structures, as by cross-linking.

The attachment of a plasma membrane adhesion molecule in one cell to an identical molecule in an adjacent cell.

Any cellular process that results in the specification, formation or maintenance of anisotropic intracellular organization or cell growth patterns.

Any cellular process that results in the specification, formation or maintenance of the apicobasal polarity of an epithelial cell.

The process in which the anatomical structures of the eye are generated and organized. The camera-type eye is an organ of sight that receives light through an aperture and focuses it through a lens, projecting it on a photoreceptor field.

Coordinated organization of groups of cells in the plane of an epithelium, such that they all orient to similar coordinates.

Coordinated organization of groups of cells in the plane of an epithelium, such that they all orient to similar coordinates.

Orientation of hairs in the imaginal disc-derived wing along a proximal-distal axis, such that each cell of the wing produces one wing hair which points in a distal direction.

A vesicle-mediated transport process in which cells take up external materials or membrane constituents by the invagination of a small region of the plasma membrane to form a new membrane-bounded vesicle.

The attachment of an adhesion molecule in one cell to a nonidentical adhesion molecule in an adjacent cell.

Coordinated organization of groups of cells in a tissue, such that they all orient to similar coordinates.

The increase in mass of imaginal discs by cell proliferation prior to metamorphosis. Imaginal discs are epithelial infoldings in the larvae of holometabolous insects that develop into adult structures (legs, antennae, wings, etc.) during metamorphosis from larval to adult form.

The regionalization process that results in defined areas of the imaginal disc that will undergo specific cell differentaiton. Imaginal discs are epithelial infoldings in the larvae of holometabolous insects that develop into adult appendages (legs, antennae, wings, etc.) during metamorphosis from larval to adult form.

The process in which the anatomical structures of the imaginal disc-derived wing are generated and organized. The wing is an appendage modified for flying.

The series of events required for an organism to receive an auditory stimulus, convert it to a molecular signal, and recognize and characterize the signal. Sonic stimuli are detected in the form of vibrations and are processed to form a sound.

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

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

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

Any process that decreases 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 orderly movement of an epithelial cell from one site to another, often during the development of a multicellular organism.

Any cellular process that results in the specification, formation or maintenance of a polarized larval imaginal disc epithelium.

The attachment of one cell to another cell via adhesion molecules that require the presence of calcium for the interaction.

The attachment of one cell to another cell via adhesion molecules that require the presence of calcium for the interaction.

The controlled self-propelled movement of a cell from one site to a destination guided by molecular cues. Cell migration is a central process in the development and maintenance of multicellular organisms.

The formation of a covalent cross-link between or within protein chains.

A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of a prolongation or process extending from a cell, e.g. a flagellum or axon.

The attachment of a cell to the underlying substrate via adhesion molecules.

Any process that modulates the frequency, rate or extent of any process in which a protein is transported to, or maintained in, a specific location.

Ensuring that a tube in an open tracheal system is of the correct length.

The process whose specific outcome is the progression of the pupa over time, from its formation to the mature structure. The pupa is a dormant life stage interposed between the larval and the adult stages in insects that undergo a complete metamorphosis.

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 a relatively unspecialized cell acquires specialized features of a hair cell.

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

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

The change in form (cell shape and size) that occurs when a neuromast hair cell progresses from its initial formation to its mature state. A neuromast hair cell is a hair cell that acts as a sensory receptor of the neuromast; it is morphologically polarized as a result of the relative position of the single kinocilium and the clusters of stereocilia on its apical surface.

Any process that modulates the frequency, rate or extent of the growth of all or part of an organism so that it occurs at its proper speed, either globally or in a specific part of the organism's development.

Any process that modulates the frequency, rate or extent of the growth of all or part of an organism so that it occurs at its proper speed, either globally or in a specific part of the organism's development.

The specification of polarized ommatidia. Ommatidia occur in two chiral forms. The trapezoidal arrangement of photoreceptors in the dorsal part of the eye is the mirror image of that in the ventral part.

The specification of polarized ommatidia. Ommatidia occur in two chiral forms. The trapezoidal arrangement of photoreceptors in the dorsal part of the eye is the mirror image of that in the ventral part.

Any process that activates or increases the frequency, rate or extent of cell death by apoptotic process.

The attachment of one cell to another cell via a cadherin, transmembrane proteins having repeating extracellular calcium ion binding domains.

The specification and formation of the apicobasal polarity of an epithelial cell.

The formation and development of the equator that forms the boundary between the photoreceptors in the dorsal sector of the eye and those in the ventral sector, dividing the eye into dorsal and ventral halves.

Any process that modulates the frequency, rate or extent of the growth of the imaginal disc.

Any process that stops, prevents, or reduces the frequency, rate or extent of imaginal disc growth.

Any process that stops, prevents or reduces the rate or extent of growth, the increase in size or mass of all or part of an organism.

Any process that stops, prevents, or reduces the frequency, rate or extent of growth of an organ of an organism.

Any process that stops, prevents, or reduces the frequency, rate or extent of growth of an organ of an organism.

Orientation of body hairs, projections from the surface of an organism, such that the hairs all point in a uniform direction along the surface.

The series of events required for an organism to receive an orientational stimulus, convert it to a molecular signal, and recognize and characterize the signal. Equilibrioception refers to a combination of processes by which an organism can perceive its orientation with respect to gravity. In animals, stimuli come from labyrinth system of the inner ears, monitoring the direction of motion; visual stimuli, with information on orientation and motion; pressure receptors, which tell the organism which body surfaces are in contact with the ground; and proprioceptive cues, which report which parts of the body are in motion.

The series of events in which a mechanical stimulus is received and converted into a molecular signal as part of sensory perception.

The series of molecular signals initiated by binding of a Wnt protein to a receptor on the surface of the target cell where activated receptors signal via downstream effectors including C-Jun N-terminal kinase (JNK) to modulate cytoskeletal elements and control cell polarity.

The process whose specific outcome is the progression of an auditory receptor cell over time, from its formation to the mature structure. Cell development does not include the steps involved in committing a cell to a specific fate.

A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of a stereocilium. A stereocilium is an actin-based protrusion from the apical surface of inner ear receptor cells.

A process in which a protein is transported to, or maintained in, a location within a cilium.

A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of cytoskeletal structures comprising microtubules and their associated proteins and contributes to the establishment of planar polarity.

Any process in which a protein is transported to, and/or maintained in, a specific location in a cell that contributes to the establishment of planar polarity.

The characteristic movement of an immature neuron from germinal zones to specific positions where they will reside as they mature.

A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of cytoskeletal structures comprising actin filaments. Includes processes that control the spatial distribution of actin filaments, such as organizing filaments into meshworks, bundles, or other structures, as by cross-linking.

The attachment of a cell, either to another cell or to an underlying substrate such as the extracellular matrix, via cell adhesion molecules.

The attachment of a plasma membrane adhesion molecule in one cell to an identical molecule in an adjacent cell.

The attachment of a plasma membrane adhesion molecule in one cell to an identical molecule in an adjacent cell.

Any cellular process that results in the specification, formation or maintenance of anisotropic intracellular organization or cell growth patterns.

Any process that mediates the transfer of information from one cell to another. This process includes signal transduction in the receiving cell and, where applicable, release of a ligand and any processes that actively facilitate its transport and presentation to the receiving cell. Examples include signaling via soluble ligands, via cell adhesion molecules and via gap junctions.

Growth of the egg chamber between the time it leaves the germarium and the onset of vitellogenesis. During this time both nurse cells and the oocyte undergo developmental changes including nuclear organization and cytoplasmic growth. An example of this is found in Drosophila melanogaster.

The process whose specific outcome is the progression of an open tracheal system over time, from its formation to the mature structure. An open tracheal system is a respiratory system, a branched network of epithelial tubes that supplies oxygen to target tissues via spiracles. An example of this is found in Drosophila melanogaster.

The process whose specific outcome is the progression of the salivary gland over time, from its formation to the mature structure. Salivary glands include any of the saliva-secreting exocrine glands of the oral cavity.

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

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

The process in which anatomical structures are generated and organized. Morphogenesis pertains to the creation of form.

The orderly movement of an epithelial cell from one site to another, often during the development of a multicellular organism.

The orderly movement of an epithelial cell from one site to another, often during the development of a multicellular organism.

The orderly movement of an epithelial cell from one site to another, often during the development of a multicellular organism.

The process in which the vertebrate retina is organized into three laminae: the outer nuclear layer (ONL), which contains photoreceptor nuclei; the inner nuclear layer (INL), which contains amacrine, bipolar and horizontal cells; and the retinal ganglion cell (RGC) layer. Between the inner and outer nuclear layers, the outer plexiform layer (OPL) contains connections between the photoreceptors and bipolar and horizontal cells. The inner plexiform layer (IPL) is positioned between the INL and the ganglion cell layer and contains the dendrites of RGCs and processes of bipolar and amacrine cells. Spanning all layers of the retina are the radially oriented Mueller glia.

The attachment of one cell to another cell via adhesion molecules that require the presence of calcium for the interaction.

Any cellular process that results in the specification, formation or maintenance of polarized actin-based cytoskeletal structures.

The attachment of a cell to the underlying substrate via adhesion molecules.

The attachment of a cell to the underlying substrate via adhesion molecules.

The process in which the migration of an axon growth cone is directed to a specific target site along the anterior-posterior body axis in response to a combination of attractive and repulsive cues. The anterior-posterior axis is defined by a line that runs from the head or mouth of an organism to the tail or opposite end of the organism.

The process in which the migration of an axon growth cone is directed to a specific target site along the anterior-posterior body axis in response to a combination of attractive and repulsive cues. The anterior-posterior axis is defined by a line that runs from the head or mouth of an organism to the tail or opposite end of the organism.

Coordinated organization of groups of cells in the plane of a follicular epithelium, such that they all orient to similar coordinates.

The attachment of one cell to another cell via a cadherin, transmembrane proteins having repeating extracellular calcium ion binding domains.

Any process that activates or increases the frequency, rate or extent of the innate immune response, the organism's first line of defense against infection.

The complete process of formation and maturation of an ovum or female gamete from a primordial female germ cell. Examples of this process are found in Mus musculus and Drosophila melanogaster.

Reactions triggered in response to the presence of a Gram-negative bacterium that act to protect the cell or organism.

Any process that activates or increases the frequency, rate or extent of the assembly of a filopodium, a thin, stiff protrusion extended by the leading edge of a motile cell such as a crawling fibroblast or amoeba, or an axonal growth cone.

The cell migration process in which a follicle cell migrates as part of an epithelial sheet between the nurse cells and the oocyte. At the end of migration, they cover the anterior of the oocyte.

The process whose specific outcome is the progression of the nephron over time, from its formation to the mature structure. A nephron is the functional unit of the kidney.

The multiplication or reproduction of cells, resulting in the expansion of a condensed mesenchymal cell population. A condensed mesenchymal cell population is a population of adherent mesenchymal cells.

The process in which the migration of an axon growth cone of an interneuron is directed to a specific target site in response to a combination of attractive and repulsive cues. An interneuron is any neuron which is not motor or sensory. Interneurons may also refer to neurons whose axons remain within a particular brain region, as contrasted with projection neurons which have axons projecting to other brain regions.

The attachment of one cell to another cell via adhesion molecules.

A process in which a protein is transported to, or maintained in, a location within a cell leading edge.

Any process that stops, prevents, or reduces the frequency, rate or extent of dendrite development.

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

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

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 region of the plasma membrane located at the apical end of the cell.

A thin sheetlike process extended by the leading edge of a migrating cell or extending cell process; contains a dense meshwork of actin filaments.

A cellular component that forms a specialized region of connection between two or more cells or between a cell and the extracellular matrix. At a cell junction, anchoring proteins extend through the plasma membrane to link cytoskeletal proteins in one cell to cytoskeletal proteins in neighboring cells or to proteins in the extracellular matrix.

Thin, stiff, actin-based protrusion extended by the leading edge of a motile cell such as a crawling fibroblast or amoeba, or an axonal or dendritic growth cone, or a dendritic shaft.

Cytoplasm situated near, or occurring around, the nucleus.

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

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.

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.

An adherens junction which connects a cell to another cell.

A specialized eukaryotic organelle that consists of a filiform extrusion of the cell surface and of some cytoplasmic parts. Each cilium is largely bounded by an extrusion of the cytoplasmic (plasma) membrane, and contains a regular longitudinal array of microtubules, anchored to a basal body.

The component of a 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.

The component of a 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.

The apical end of the lateral plasma membrane of epithelial cells.

Cytoplasm situated near, or occurring around, the nucleus.

A vesicle that is released into the extracellular region by fusion of the limiting endosomal membrane of a multivesicular body with the plasma membrane. Extracellular exosomes, also simply called exosomes, have a diameter of about 40-100 nm.

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.

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.

An adherens junction which connects a cell to another cell.

An adherens junction which connects a cell to another cell.

Small region on the surface of a cell that anchors the cell to the extracellular matrix and that forms a point of termination of actin filaments.

Small region on the surface of a cell that anchors the cell to the extracellular matrix and that forms a point of termination of actin filaments.

The region of the plasma membrane located at the basal end of the cell. Often used in reference to animal polarized epithelial membranes, where the basal membrane is the part attached to the extracellular matrix, or in plant cells, where the basal membrane is defined with respect to the zygotic axis.

The long process of a neuron that conducts nerve impulses, usually away from the cell body to the terminals and varicosities, which are sites of storage and release of neurotransmitter.

A neuron projection that has a short, tapering, morphology. Dendrites receive and integrate signals from other neurons or from sensory stimuli, and conduct nerve impulses towards the axon or the cell body. In most neurons, the impulse is conveyed from dendrites to axon via the cell body, but in some types of unipolar neuron, the impulse does not travel via the cell body.

The area of a motile cell closest to the direction of movement.

The area of a motile cell opposite to the direction of movement.

A cell projection supported by an assembly of actin filaments, and which lacks microtubules.