- atretorrhinia
- atre·tor·rhi·nia (ə-tre″to-riґne-ə) [atreto- + rhin- + -ia] absence of the external opening into the nose. Cf. choanal atresia, under atresia.
Medical dictionary. 2011.
atretorrhinia
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choanal atresia — congenital bony or membranous occlusion of one or both choanae, due to failure of the embryonic bucconasal membrane to rupture. Cf. atretorrhinia. Unilateral right sided choanal atresia in a child with chronic nasal discharge. Axial CT scan shows … Medical dictionary
