choanal

(redirected from choanal stenosis)

cho·a·nal

(kō'a-năl),
Pertaining to a choana.

choana

(kō′ă-nă) plural.choanae [Gr. choanē, funnel]
A funnel-shaped opening, esp. of the posterior nares (either of the two communicating passageways between the nasal fossae and the pharynx).
choanal (-năl), adjective

choanal

pertaining to or arising from the choanae.

choanal atresia
see imperforate buccopharyngeal membrane.
choanal slit
the sagittal slit in the hard palate of the normal bird.
choanal stenosis
choanal atresia.