part of part of in taxon results in development of heart development atrioventricular canal development bf The progression of the atrioventricular canal over time, from its formation to the mature structure. The atrioventricular canal is the part of the heart connecting the atrium to the cardiac ventricle. 2012-08-08T09:55:37Z GO:0036302 anatomical structure development Vertebrata <vertebrates> atrioventricular canal