Noun: 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
"The atrioventricular node acts as a relay station in the heart's conduction system"
Derived forms: atrioventricular nodes
Type of: cardiac muscle, heart muscle
Encyclopedia: Atrioventricular node