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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 progression of a somite from its initial formation to the mature structure. Somites are mesodermal clusters that are arranged segmentally along the anterior posterior axis of an embryo. The developmental process pertaining to the initial formation of an anatomical structure from unspecified parts. This process begins with the specific processes that contribute to the appearance of the discrete structure and ends when the structural rudiment is recognizable. An anatomical structure is any biological entity that occupies space and is distinguished from its surroundings. Anatomical structures can be macroscopic such as a carpel, or microscopic such as an acrosome. The regionalization process that divides an organism or part of an organism into a series of semi-repetitive parts, or segments, often arranged along a longitudinal axis. The process whereby segments assume individual identities; exemplified in insects by the actions of the products of the homeotic genes. The process by which individual somites establish identity during embryogenesis. The formation of mesodermal clusters that are arranged segmentally along the anterior posterior axis of an embryo. 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 regionalization process by which specific areas of cell differentiation are determined along the anterior-posterior axis. 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 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.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: somite specification
Acc: GO:0001757
Aspect: Biological Process
Desc: The process by which individual somites establish identity during embryogenesis.
Proteins in PDR annotated with:
   This term: 14 [Search]
   Term or descendants: 14 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0001757 - somite specification (interactive image map)
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