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Structure of choanae

Known as: Apertura nasalis posterior, Posterior nasal aperture, Internal naris 
Two openings between the nose and the nasopharynx.
National Institutes of Health

Papers overview

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2005
2005
A comprehensive study that compared acoustic rhinometry (AR) data to computed tomography (CT) data was performed to evaluate the… 
2002
2002
Although transnasal techniques to treat choanal atresia have become the standard, risks remain of restenosis of the opened choana… 
1995
1995
During mammalian primary palate formation, the facial prominences enlarge around the nasal pit, fuse and then merge to give rise… 
1984
1984
Posterior chonnal atresin has n significant incidence of associated defects. Recently a constellation of defects, bearing the… 
Highly Cited
1978
Highly Cited
1978
Congenital choanal atresia frequently demands immediate recognition in the newborn, and provision of a nasal airway as soon as… 
1978
1978
— In a follow-up, 2 to 27 years postoperatively, of 43 patients with unilateral choanal atresia a high frequency of relapses was… 
1945
1945
Congenital atresia of the choanae is being more frequently recognized, and in time, with members of the medical profession more… 
1942
1942
Congenital atresia of the choanae is a rare anomaly. Stewart! states that 27,863 nasal cases were seen in the Ear, Nose and… 
1931
1931
Clinically, the term "atresia" (imperforation) is not applied in its strictest sense, but under this term are commonly included…