papillary muscles
Papillary muscles
The chordae tendinae are fibrous bands of tissue extending from the papillary muscles in the ventricles to the cusps of the AV valves (tricuspid and mitral). They serve to prevent the leaves of the valves from being pushed into the atria during ventricular contraction, preventing backward flow of blood in the heart.
The Bicuspid Valve is much like the Tricuspid Valve. It allows blood to flow through into the ventricle, but prevents blood from entering back into the atrium. The difference is it only has two flaps instead of three.
Valves allow forward blood flow. Valves prevent the back flow of the blood. You have beautiful small muscles in your ventricles. They are called as papillary muscles. They are attached to the bicuspid and tricuspid valves and simultaneously contract, during the contractions of the ventricles, to prevent the collapse of the cusps of the valves. The aortic and pulmonary valves prevent the back flow by there anatomical advantage.
Valves allow forward blood flow. Valves prevent the back flow of the blood. You have beautiful small muscles in your ventricles. They are called as papillary muscles. They are attached to the bicuspid and tricuspid valves and simultaneously contract, during the contractions of the ventricles, to prevent the collapse of the cusps of the valves. The aortic and pulmonary valves prevent the back flow by there anatomical advantage. This way, the valves ensure the continuous unidirectional flow of blood.
one having semilunar cusps, i.e., the aortic and pulmonary valves; sometimes used to designate the semilunar cusps composing these valve
Firstly let me make it clear that valves do not move blood, infact they prevent the movement of blood in the wrong direction. The valves that are between the atria and the ventricles are called the atrioventricular valves. The one on the right is called the tricuspid as it has three leaflets or cusps and the one on the left is called the bicuspid as it has one two. The left one is also sometimes called the mitral as it can look like a bishops hat.
chordae tendineae
chordae tendineae
The papillary muscles and cusps of the heart valves.
Interventricular Septum
Between the Atria and Ventricles of the heart are the aptly named Atrioventricular valves. The valve between the right atrium and ventricle is called the Tricuspid because id has three Cusps (of small flaps the are pushed together and closed when under pressure). The valve between the left atrium and ventricle is called the Bicuspid because it has two cusps, of more often called the Mitral Valve because its two cusps look like a bishops hat.
Pulmonary and aortic valves are semilunar valves having three semilunar cusps each. these valves open with the free ends facing the vessels when the heart contracts and closes when heart relaxes thus preventing regurgitation