Source:http://linkedlifedata.com/resource/umls/id/C0018826
MSH: Flaps of tissue that prevent regurgitation of BLOOD from the HEART VENTRICLES to the HEART ATRIA or from the PULMONARY ARTERIES or AORTA to the ventricles.,CSP: flaps of tissue that prevent regurgitation of blood from the heart ventricles to the heart atria or from the pulmonary arteries or aorta to the ventricles.,FMA: Anatomical valve which has as its parts the endocardium and fibroelastic connective tissue attached to the fibrous ring of heart.,NCI: Any of the four heart valves, including the two atrioventricular valves and the two semilunar valves, that regulate the flow of blood through the chambers of the heart. (NCI),NCI: Any of the four heart valves, including the two atrioventricular valves and the two semilunar valves, that regulate the flow of blood through the chambers of the heart.