choanal atresia
Choanal atresia (CA) is a congenital anomaly of the posterior nasal airway characterized by the obstruction of one (unilateral) or both (bilateral) choanal aperture(s), with clinical manifestations ranging from acute respiratory distress to chronic nasal obstruction.
MONDO:0002232
nasal cavity disorder
is_a
MONDO:0018751
hereditary otorhinolaryngologic disease
is_a
PCA
related
atresia of nares
exact
choanal atresia, POSTERIOR
related