(redirected from choanal stenosis)


Pertaining to a 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


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.
References in periodicals archive ?
The syndrome is characterized by brachycephaly, craniosynostosis, midface hypoplasia, hypertelorism, choanal stenosis, multidigit hand and foot syndactyly.
In this study, 11 patients had 16 choanal lesions; 9 were choanal atresia (4 patients had bilateral atresia and one had unilateral); and 7 were choanal stenosis (one patient had bilateral stenosis and five patients had unilateral disease).
Acquired posterior choanal stenosis and atresia: management of this unusual complication after radiotherapy for nasopharyngeal carcinoma.