EOG8N334P GO:0045596 5/97 negative regulation of cell differentiation biological_process "Any process that stops, prevents, or reduces the frequency, rate or extent of cell differentiation." [GOC:go_curators] EOG8N334P GO:0008293 2/97 torso signaling pathway biological_process "A series of molecular signals initiated by the binding of an extracellular ligand to torso (a receptor tyrosine kinase) on the surface of a target cell, and ending with regulation of a downstream cellular process, e.g. transcription." [GOC:go_curators, PMID:8343949] EOG8N334P GO:0005576 1/97 extracellular region cellular_component "The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite." [GOC:go_curators] EOG8N334P GO:0005122 1/97 torso binding molecular_function "Interacting selectively and non-covalently with the torso (tor) protein, a receptor tyrosine kinase." [GOC:ceb, PMID:2927509] EOG8N334P GO:0018445 1/97 prothoracicotrophic hormone activity molecular_function "The action characteristic of prothoracicotrophic hormone, a peptide hormone that is secreted by the brain and, upon receptor binding, acts on the prothoracic gland to stimulate the release of ecdysone in insects." [GOC:mah, PMID:3301403] EOG8N334P GO:0008595 1/97 anterior/posterior axis specification, embryo biological_process "The specification of the anterior/posterior axis of the embryo by the products of genes expressed maternally and genes expressed in the zygote." [http://fly.ebi.ac.uk/allied-data/lk/interactive-fly/aimain/1aahome.htm, ISBN:0879694238] EOG8N334P GO:0008358 1/97 maternal determination of anterior/posterior axis, embryo biological_process "The specification of the anterior/posterior axis of the embryo by gradients of maternally-transcribed gene products; exemplified in insects by the morphogens, bicoid and nanos." [http://fly.ebi.ac.uk/allied-data/lk/interactive-fly/aimain/1aahome.htm, ISBN:0879694238] EOG8N334P GO:0007362 1/97 terminal region determination biological_process "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." [http://fly.ebi.ac.uk/allied-data/lk/interactive-fly/aimain/1aahome.htm, ISBN:0879694238] EOG8N334P GO:0046957 1/97 negative phototaxis biological_process "The directed movement of a cell or organism away from a source of light." [GOC:ai] EOG8N334P GO:0043196 1/97 varicosity cellular_component "Non-terminal inflated portion of the axon, containing the specialized apparatus necessary to release neurotransmitters." [GOC:nln] EOG8N334P GO:0007552 1/97 metamorphosis biological_process "A biological process in which an animal physically develops after birth or hatching, involving a conspicuous and relatively abrupt change in the animal's form or structure. Examples include the change from tadpole to frog, and the change from larva to adult. An example of this is found in Drosophila melanogaster." [GOC:sensu, ISBN:0198506732, ISBN:0721662544] EOG8N334P GO:0044060 1/97 regulation of endocrine process biological_process "Any process that modulates the frequency, rate or extent of an endocrine process, a process involving the secretion of or response to endocrine hormones. An endocrine hormone is a hormone released into the circulatory system." [GOC:jl] EOG8N334P GO:0005179 1/97 hormone activity molecular_function "The action characteristic of a hormone, any substance formed in very small amounts in one specialized organ or group of cells and carried (sometimes in the bloodstream) to another organ or group of cells in the same organism, upon which it has a specific regulatory action. The term was originally applied to agents with a stimulatory physiological action in vertebrate animals (as opposed to a chalone, which has a depressant action). Usage is now extended to regulatory compounds in lower animals and plants, and to synthetic substances having comparable effects; all bind receptors and trigger some biological process." [GOC:dph, GOC:mah, ISBN:0198506732]