Definition that contains atrium
- ventricle a chamber of the heart that receives blood from an atrium and pumps it to the arteries
- auricle a small conical pouch projecting from the upper anterior part of each atrium of the heart
- auricula atrii a small conical pouch projecting from the upper anterior part of each atrium of the heart
- auricula a pouch projecting from the top front of each atrium of the heart
- right atrioventricular valve valve with three cusps; situated between the right atrium and the right ventricle; allows blood to pass from atrium to ventricle and closes to prevent backflow when the ventricle contracts
- left ventricle the chamber on the left side of the heart that receives arterial blood from the left atrium and pumps it into the aorta
- heart ventricle a chamber of the heart that receives blood from an atrium and pumps it to the arteries
- atrial auricle a small conical pouch projecting from the upper anterior part of each atrium of the heart
- tricuspid valve valve with three cusps; situated between the right atrium and the right ventricle; allows blood to pass from atrium to ventricle and closes to prevent backflow when the ventricle contracts
- vena pulmonalis any of four veins that carry arterial blood from the lungs to the left atrium of the heart