atrioventricular canal cushions
Definition: a pair of mounds of embryonic connective tissue covered by endothelium, bulging into the embryonic atrioventricular canal; one located dorsally and one ventrally; they grow together and fuse with each other and with the lower edge of the septum primum, dividing the originally single canal into right and left atrioventricular orifices.
Synonym(s): endocardial cushions
Search Stedman's Medical Dictionary
Examples: glitazone, GI cocktail, etc.
