Canadian Medical Guide > Diseases > Respiratory Tract Diseases > Nose Diseases > Choanal Atresia Terms and Definitions
Choanal Atresia
Medical Definition: | Congenital bony or membranous occlusion of one or both choanae, due to failure of the embryonic bucconasal membrane to rupture. |
Guide Notes: | nose abnorm; do not use /congen & do not coord with INFANT, NEWBORN, DISEASES |
Previously Indexed: | Nasal Cavity/abnormalities (1975-1985),Nose/abnormalities (1966-1974) |
Choanal Atresia Medical Definitions and Terms
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