Preferred Label : choanal atresia;
Definition : Congenital bony or membranous occlusion of one or both choanae, due to failure of
the embryonic bucconasal membrane to rupture. [MeSH];
UMLS CUI (RADLEX) : C0008297;
Origin ID : RID3736;
UMLS CUI : C0008297;
Currated CISMeF NLP mapping
Semantic type(s)
UMLS correspondences (same concept)
Congenital bony or membranous occlusion of one or both choanae, due to failure of
the embryonic bucconasal membrane to rupture. [MeSH]