Assertion: atrioventricular node | /r/AtLocation | the boundary
Facets:
value: between ventricles
type: LOCATION
value: between the atria
type: LOCATION
Source sentences:
text: The atrioventricular node (AV node) is located at the boundary between the atria and ventricles.
text: The atrioventricular node (AV node) is located at the boundary between the atria and ventricles; it has an intrinsic frequency of about 50 pulses/min.