olfactory placode


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olfactory placode

A placode that first gives rise to the olfactory pit and later to the major portion of the nasal cavity.
See also: placode
References in periodicals archive ?
The genetic locus for X-linked Kallmann syndrome has been assigned to be X p 22.3, where the KAL-1 gene encodes Anosmin 1, which plays a role in normal migration of both GnRH secreting neurons and axons of olfactory neurons from the olfactory placode to the brain, thus linking anosmia with hypogonadotropism.
OECs develop from the olfactory placode and subsequently migrate into the olfactory nerve and OB.
The nasal placodes (olfactory placodes) arise from the medial aspect of the lower portion of the frontal prominence, and the lens placodes arise from the lateral aspect of the lower portion of the frontal prominence.

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