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Partitioning the head anlage into a fixed number of segmental units. The number of segments composing the insect head has long been a subject of debate, but it is generally agreed that there are 6 or 7 segments. From anterior to posterior the head segments are the procephalic segments (labral, (ocular), antennal and intercalary) and the gnathal segments (mandibular, maxillary and labial). Partitioning the head anlage into procephalic (labral, (ocular), antennal and intercalary) segments. The procephalic segments lie anterior to the gnathal (posterior head) segments, and are pattered by different segmentation gene cascades to the abdominal, thoracic and posterior head (gnathal) segments. The process whereby segments assume individual identities; exemplified in insects by the actions of the products of the homeotic genes. The specification of the characteristic structures of the intercalary segment of the anterior head, following establishment of segment boundaries. Identity is considered to be the aggregate of characteristics by which a structure is recognized. The specification of the characteristic structures of the head segments following establishment of segment boundaries. Identity is considered to be the aggregate of characteristics by which a structure is recognized.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: specification of segmental identity, intercalary segment
Acc: GO:0035291
Aspect: Biological Process
Desc: The specification of the characteristic structures of the intercalary segment of the anterior head, following establishment of segment boundaries. Identity is considered to be the aggregate of characteristics by which a structure is recognized.
Proteins in PDR annotated with:
   This term: 1 [Search]
   Term or descendants: 1 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0035291 - specification of segmental identity, intercalary segment (interactive image map)
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