| atri | (anatomy) of or relating to a cavity or chamber in the body (especially one of the upper chambers of the heart) |
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| atri | the branch of the coronary artery that supplies the muscles of the atria |
| atri | a small conical pouch projecting from the upper anterior part of each atrium of the heart |
| atri | fibrillation of the muscles of the atria of the heart |
| atri | an abnormal opening between the left and right atria of the heart |
| atri | type genus of the Atrichornithidae |
| atri | scrubbirds |
| atri | relating to or affecting the atria and ventricles of the heart |
| atri | recurrent sudden attacks of unconsciousness caused by impaired conduction of the impulse that regulates the heartbeat |
| atri | a bundle of modified heart muscle that transmits the cardiac impulse from the atrioventricular node to the ventricles causing them to contract |
| atri | the normal cardiac rhythm when the heart is controlled by the atrioventricular node |
| atri | a node of specialized heart muscle located in the septal wall of the right atrium |