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Summary Anatomy Item Literature (46) Expression Attributions Wiki

Anatomy Term: trigeminal placode
XAO ID: 0000225
Definition: "The ectodermal precursor of the trigeminal ganglion. The profundal and the trigeminal ganglia are separate distally but fused at their proximal end as they condense around NF stage 24. The trigeminal placode gives rise to the sensory neurons of the ophthalmic and maxillomandibular lobes of cranial nerve V."
Stage Range: NF stage 22 to NF stage 29 and 30
Develops From:
Anatomy Item Stage Range
anterior placodal area NF stage 11.5 to NF stage 32
dorsolateral placode region NF stage 19 to NF stage 40
Develops Into:
Anatomy Item Stage Range
gasserian ganglion NF stage 24 to death
trigeminal ganglion NF stage 24 to death
Parent(s): anterior placodal area, dorsolateral placode region


Parent(s): neurogenic placode (is_a)


References: Ontology Lookup Service , XB ANATOMY ONTOLOGY