Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun atrioventricular_node
1 sense of atrioventricular node
Sense 1
atrioventricular node -- (a node of specialized heart muscle located in the septal wall of the right atrium; receives impulses from the sinoatrial node and transmits them to atrioventricular bundle)
=> cardiac muscle, heart muscle -- (the muscle tissue of the heart; adapted to continued rhythmic contraction)