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adjectiveof or relating to a cavity or chamber in the body (especially one of the upper chambers of the heart)
Definition that contains atrial
- 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
- septectomy surgical removal of all or part of a septum (especially the nasal septum or atrial septum)