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Summary Anatomy Item Literature (6) Expression Attributions Wiki

Anatomy Term: stomodeal-hypophyseal primordium
XAO ID: 0000032
Definition: "An anterior thickening of the sensorial layer of ectoderm, just above the cement gland. The hypophyseal layer separates from the stomodeal layer at NF stage 29 and 30, and when contacted by a protrusion of the foregut, the stomodeal layer will rupture to form the mouth opening at NF stage 39 and 40."
Stage Range: NF stage 18 to NF stage 40
Marker Genes: s1pr2 frzb kcp
Develops From:
Anatomy Item Stage Range
ectoderm NF stage 10 to NF stage 66
sensorial layer NF stage 10 to NF stage 66
sensorial layer of neurectoderm NF stage 11.5 to NF stage 66
Develops Into:
Anatomy Item Stage Range
hypophyseal primordium NF stage 29 and 30 to NF stage 40
mouth primordium NF stage 28 to NF stage 60
Parent(s): ectoderm, sensorial layer, sensorial layer of neurectoderm


Parent(s): primordium (is_a) ectoderm (part_of)


References: Ontology Lookup Service , XB ANATOMY ONTOLOGY