A series of molecular signals initiated by binding of a ligand to the tyrosine kinase receptor EGFR (ERBB1) on the surface of a cell. The pathway ends with regulation of a downstream cellular process, e.g. transcription.

A series of molecular signals initiated by binding of a ligand to the tyrosine kinase receptor EGFR (ERBB1) on the surface of a cell. The pathway ends with regulation of a downstream cellular process, e.g. transcription.

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

Any process in an organism in which a relatively long-lasting adaptive behavioral change occurs in response to (repeated) exposure to an olfactory cue.

The process in which photoreceptors are arranged in ommatidia in the dorsal and ventral fields to be mirror images. The polarity is established in the imaginal discs concurrently with cell fate specification.

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

The cell fate determination process that results in a cell becoming capable of differentiating autonomously into an ectoderm cell regardless of its environment; upon determination, the cell fate cannot be reversed.

A circulatory system process carried out by the heart. The heart is a hollow, muscular organ, which, by contracting rhythmically, keeps up the circulation of the blood. The heart is a hollow, muscular organ, which, by contracting rhythmically, keeps up the circulation of the blood.

A series of molecular signals initiated by binding of a ligand to the tyrosine kinase receptor EGFR (ERBB1) on the surface of a cell. The pathway ends with regulation of a downstream cellular process, e.g. transcription.

The process during Drosophila embryogenesis whereby the ectodermal cells of the lateral epithelium stretch in a coordinated fashion to internalize the amnioserosa cells and close the embryo dorsally.

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

The process whose specific outcome is the progression of the peripheral nervous system over time, from its formation to the mature structure. The peripheral nervous system is one of the two major divisions of the nervous system. Nerves in the PNS connect the central nervous system (CNS) with sensory organs, other organs, muscles, blood vessels and glands.

The process whose specific outcome is the progression of the oenocyte over time, from its formation to the mature structure. The oenocytes are large secretory cells found in clusters underlying the epidermis of larval abdominal segments.

The process whose specific outcome is the progression of the oenocyte over time, from its formation to the mature structure. The oenocytes are large secretory cells found in clusters underlying the epidermis of larval abdominal segments.

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.

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.

Allocation of embryonic cells to the genital imaginal disc founder populations. Early in development at the blastoderm stage, the anlage of the genital disc of both sexes consists of three primordia: the female genital primoridum lcoated anteriorly, the anal primoridum located posteriorly, and the male gential primordium between the two.

The process in which the anatomical structures of a spiracle are generated and organized. Spiracles are the openings in the insect open tracheal system; externally they connect to the epidermis and internally they connect to the tracheal trunk.

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

The process in which a cell becomes capable of differentiating autonomously into a photoreceptor cell regardless of its environment; upon determination, the cell fate cannot be reversed.

The specialization of organization of a photoreceptor, a cell that responds to incident electromagnetic radiation, particularly visible light. An example of this process is found in Drosophila melanogaster.

Any process that results in a change in the behavior of an organism as a result of an ethanol stimulus.

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

Any process that activates or increases the frequency, rate or extent of neurogenesis, the generation of cells within the nervous system.

The multiplication or reproduction of epithelial cells, resulting in the expansion of a cell population and contributing to the shaping of a Malpighian tubule.

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

The process whose specific outcome is the progression of the compound eye over time, from its formation to the mature structure. The compound eye is an organ of sight that contains multiple repeating units, often arranged hexagonally. Each unit has its own lens and photoreceptor cell(s) and can generate either a single pixelated image or multiple images, per eye.

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

The irregular network of unit membranes, visible only by electron microscopy, that occurs in the cytoplasm of many eukaryotic cells. The membranes form a complex meshwork of tubular channels, which are often expanded into slitlike cavities called cisternae. The ER takes two forms, rough (or granular), with ribosomes adhering to the outer surface, and smooth (with no ribosomes attached).

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.