part of part of develops from external ectoderm neurectoderm olfactory placode nasal placode placoda olfactoria 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 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 nasal I placode TAO:0000048 EFO:0003420 olfactory placodes placoda nasalis VHOG:0000186 FMA:293971 EMAPA:16543 XAO:0000005 UBERON:0003050 EHDAA:1504 EHDAA2:0001232 ZFA:0000048 Wikipedia:Nasal_placode neurogenic placode