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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