atretorrhinia

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.

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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

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