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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 process whereby segments assume individual identities; exemplified in insects by the actions of the products of the homeotic genes. 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. Division of the central nervous system into a series of semi-repetitive parts or segments. Partitioning of the blastoderm embryo into trunk segmental units. In Drosophila, the trunk segments include thoracic segments and abdominal segments A1 to A8. Division of the brain into a series of semi-repetitive parts or segments. The formation of mesodermal clusters that are arranged segmentally along the anterior posterior axis of an embryo. Division of an appendage, an organ or part that is attached to the main body of an organism, into a series of semi-repetitive parts or segments. Most arthropod appendages, such as the legs and antennae, are visibly segmented. The hierarchical steps resulting in the progressive subdivision of the anterior/posterior axis of the embryo. The pattern specification process by which an axis or axes is subdivided in space to define an area or volume in which specific patterns of cell differentiation will take place or in which cells interpret a specific environment.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: segmentation
Acc: GO:0035282
Aspect: Biological Process
Desc: 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.
Proteins in PDR annotated with:
   This term: 16 [Search]
   Term or descendants: 532 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0035282 - segmentation (interactive image map)
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