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Medical Definition of Atrial ventricular canal defect
1. A defect caused by deficient or absent septal tissue immediately above and below the normal level of the atrioventricular valves, including the region normally occupied by the A-V septum in hearts with two ventricles. The A-V valves are abnormal to a varying degree. (05 Mar 2000)
Lexicographical Neighbors of Atrial Ventricular Canal Defect
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