olfactory pit

(redirected from Olfactory pits)
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olfactory pit

[äl′fak·trē ‚pit]
(embryology)
A depression near the olfactory placode in the embryo that develops into part of the nasal cavity. Also known as nasal pit.
References in periodicals archive ?
They then characterized changes in the shape and position of the craniofacial structures, such as jaws, branchial arches, eyes, otic capsules and olfactory pits, through "geometric morphometric analysis," which measured positioning of a total of 32 landmarks on the top and bottom sides of the tadpoles.
Subsequently, a depression develops in the surrounding mesenchyme on each side of the two nasal placodes, thereby forming two olfactory pits or gutters.
By its nose: Water flows in through one of two olfactory pits (nostrils not connected to the throat) and flows out the other.