Choanal atresia: atresia due to congenital failure of one or both choanae to open owing to the failure of the bucconasal membrane to involute. It results in nasal obstruction and, if bilateral, can endanger neonates because they are obligatory nasal breathers.
Source: Stedman's Medical Spellchecker, © 2006 Lippincott Williams & Wilkins. All rights reserved.
Choanal atresia: Congenital bony or membranous occlusion of one or both choanae, due to failure of the embryonic bucconasal membrane to rupture.
Source: Diseases Database
Choanal atresia: Congenital bony or membranous occlusion of one or both choanae, due to failure of the embryonic bucconasal membrane to rupture.
Source: MeSH 2007
These medical condition or symptom topics may be relevant to medical information for Choanal atresia:
Source - MeSH 2007
Source - MeSH 2007
The following list attempts to classify Choanal atresia into categories where each line is subset of the next.
Source: Diseases Database
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