Semilunar Valve Review

There are two main semilunar valves, each positioned at a critical exit point of the heart:

: Each valve typically consists of three thin, flexible leaflets (cusps) made of connective tissue and endocardium. semilunar valve

: Located between the right ventricle and the pulmonary artery . It directs deoxygenated blood toward the lungs for oxygenation. Structural Features There are two main semilunar valves, each positioned

: Unlike atrioventricular (AV) valves, semilunar valves do not have chordae tendineae (heart strings) or papillary muscles to hold them in place. What is the Pulmonary Valve

: These are small pockets behind the valve leaflets that help them close efficiently as blood pressure in the arteries rises.

: The sharp closure of these valves at the end of a heartbeat creates the second heart sound, commonly known as the "dub". What is the Pulmonary Valve? - Cleveland Clinic

: Located between the left ventricle and the aorta . It controls the flow of oxygen-rich blood to the rest of the body.