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Term:
Parent Terms Term With Siblings Child Terms
head segmentation +    
anterior head segmentation +  
posterior head segmentation +  
Partitioning the posterior region of the insect head anlage into gnathal (mandibular, maxillary and labial) segments. Unlike the anterior head (procephalic) segments, formation of the posterior head (gnathal) segments occurs by a similar mechanism to trunk segmentation, where a cascade of gap genes, pair-rule genes and segment-polarity genes subdivide the embryo into progressively smaller domains.
specification of segmental identity, head +  

Synonyms
Related Synonyms: gnathal segmentation
Definition Sources: PMID:15382136

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