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Atrioventricular valve

2 cuspid valves made of up of 2 or 3 sail-like flaps separating the atria and ventricles

Pronunciation
/ˌeɪtrɪəʊvɛnˈtrɪkjʊlə valv/
/ˌeɪtrioʊvɛnˈtrɪkjələr vælv/