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The pattern specification process whereby the axes of the nervous system are established. The process that results in the patterns of cell differentiation that will arise in an embryo. Any developmental process that results in the creation of defined areas or spaces within an organism to which cells respond and eventually are instructed to differentiate. The establishment, maintenance and elaboration of a pattern along a line or around a point. The establishment, maintenance and elaboration of a pattern along a line or a point in an embryo. The establishment, maintenance and elaboration of the rostro-caudal axis of a somite, prior to the morphological formation of a somite boundary. The specification of the dorsal/ventral axis of the embryo, through the products of genes expressed in the zygote. The process whose specific outcome is the progression of an embryo from its formation until the end of its embryonic life stage. The end of the embryonic stage is organism-specific. For example, for mammals, the process would begin with zygote formation and end with birth. For insects, the process would begin at zygote formation and end with larval hatching. For plant zygotic embryos, this would be from zygote formation to the end of seed dormancy. For plant vegetative embryos, this would be from the initial determination of the cell or group of cells to form an embryo until the point when the embryo becomes independent of the parent plant. The establishment, maintenance and elaboration of a line that delineates the mouth and the anus of an embryo. The specification of the anterior/posterior axis of the embryo by the products of genes expressed maternally and genes expressed in the zygote. The establishment, maintenance and elaboration of the longitudinal axis. In plants, this is the axis that runs from the shoot to the root.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: embryonic axis specification
Acc: GO:0000578
Aspect: Biological Process
Desc: The establishment, maintenance and elaboration of a pattern along a line or a point in an embryo.
Synonyms:
  • embryonic axis determination
Proteins in PDR annotated with:
   This term: 20 [Search]
   Term or descendants: 262 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0000578 - embryonic axis specification (interactive image map)
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