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Definition of Atresia
1. Noun. An abnormal condition in which a normal opening or tube in the body (as the urethra) is closed or absent.
Definition of Atresia
1. n. Absence or closure of a natural passage or channel of the body; imperforation.
Definition of Atresia
1. Noun. A condition in which a body orifice or passage in the body is abnormally closed or absent. ¹
¹ Source: wiktionary.com
Definition of Atresia
1. absence or closure of a natural bodily passage [n -S] : ATRESIC, ATRETIC [adj]
Medical Definition of Atresia
1.