: Each valve typically consists of three thin, flexible leaflets (cusps) made of connective tissue and endocardium.
: These are small pockets behind the valve leaflets that help them close efficiently as blood pressure in the arteries rises. semilunar valve
: 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 : Each valve typically consists of three thin,
: Located between the right ventricle and the pulmonary artery . It directs deoxygenated blood toward the lungs for oxygenation. Structural Features semilunar valve
: Unlike atrioventricular (AV) valves, semilunar valves do not have chordae tendineae (heart strings) or papillary muscles to hold them in place.