| 释义 |
Atresias,Anal | 《英文msh词典》Atresias,Anal | | [入口词] Atresias,Anal | | [主题词] Anus,Imperforate | | [英文释义] A congenital abnormality characterized by the persistence of the anal membrane,resulting in a thin membrane covering the normal ANAL CANAL. Imperforation is not always complete and is treated by surgery in infancy. This defect is often associated with NEURAL TUBE DEFECTS; MENTAL RETARDATION; and DOWN SYNDROME. |
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