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Heart flashcards

TermDefinition
aorta the largest artery in the body that carries oxygen-rich blood from the left ventricle of the heart to all parts of the body.
Left Ventricle the thick-walled chamber that pumps oxygen-rich blood from the heart into the aorta for the body.
Right Ventricle the chamber that pumps oxygen-poor blood from the heart into the pulmonary artery, sending it to the lungs to get oxygen.
Left Atrium the upper chamber that receives oxygen-rich blood from the lungs and passes it to the left ventricle.
Right Atrium the upper chamber that receives oxygen-poor blood from the body and sends it to the right ventricle.
Coronary Artery the vessels that supply the heart muscle itself with oxygen-rich blood so it can function.
apex the pointed lower tip of the heart that helps push blood out efficiently during each heartbeat.
Superior Vena Cava the large vein that carries oxygen-poor blood from the upper body (head, neck, arms) back to the right atrium of the heart.
Inferior Vena Cava the large vein that carries oxygen-poor blood from the lower body (legs, abdomen) back to the right atrium.
Pulmonary Artery the vessel that carries oxygen-poor blood from the right ventricle to the lungs to pick up oxygen.
Pulmonary Veins the vessels that carry oxygen-rich blood from the lungs back to the left atrium of the heart.
Cordae Tendinea strong, string-like cords that connect heart valves to muscles, preventing the valves from flipping backward.
Papillary Muscles small muscles inside the ventricles that attach to the chordae tendineae and contract to help keep the heart valves closed properly during a heartbeat.
septum the thick wall of muscle that separates the left and right sides of the heart, preventing oxygen-rich and oxygen-poor blood from mixing.
Tricuspid Valve the valve between the right atrium and right ventricle that prevents blood from flowing backward when the ventricle contracts.
Bicuspid/Mitral Valve the valve between the left atrium and left ventricle that prevents blood from flowing backward when the ventricle contracts.
Aortic Semilunar Valve the valve between the left ventricle and the aorta that prevents blood from flowing back into the heart after it’s pumped out to the body.
Pulmonary Semilunar Valve the valve between the right ventricle and the pulmonary artery that prevents blood from flowing back into the heart after it’s pumped to the lungs.
Brachiocephalic Artery a large artery that branches from the aorta and carries oxygen-rich blood to the right arm, head, and neck.
Left Main Coronary Artery the main artery that branches off the aorta and supplies oxygen-rich blood to the left side of the heart, including the left ventricle and left atrium.
Left Anterior Descending Coronary Artery a branch of the left coronary artery that runs down the front of the heart, supplying oxygen-rich blood to the front and bottom of the left ventricle and the front of the septum.
Circumflex Coronary Artery a branch of the left coronary artery that wraps around the heart, supplying oxygen-rich blood to the outer side and back of the left atrium and left ventricle.
Left Posterior Descending Coronary Artery a branch of the coronary arteries that runs along the back of the heart, supplying oxygen-rich blood to the back portion of the left ventricle and the posterior part of the septum.
Right Coronary Artery the artery that branches from the aorta and supplies oxygen-rich blood to the right atrium, right ventricle, and parts of the heart’s conduction system.
Posterior Descending Coronary Artery a branch of the right coronary artery (or sometimes the left) that runs along the back of the heart, supplying oxygen-rich blood to the back part of the ventricles and the posterior septum.
Created by: user-2001774
 

 



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