part of part of develops_from external ectoderm embryo neurectoderm olfactory placode A thick plate of cells derived from the neural ectoderm in the head region of the embryo that develops into the olfactory region of the nasal cavity. AAO:0011076 EFO:0003420 EHDAA2:0001232 EHDAA:1504 EMAPA:16543 FMA:293971 Olfactory placodes are the only ectodermal placodes to produce glia, a cell type typically derived from neural crest // Note that NBK53171 classifies this as non-neurogenic TAO:0000048 UBERON:0003050 VHOG:0000186 We conclude this section by listing some of the many synapomorphies of craniates, including (...) (2) neurogenic placodes (...).[well established][VHOG] XAO:0000005 ZFA:0000048 nasal I placode nasal placode olfactory placodes placoda nasalis placoda olfactoria uberon neurogenic placode