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Tuesday, September 27, 2011

Heart valves

Heart valves, a) pulmonary and aortic valves have a similar structure. Consisting of 3 pieces of the valve leaflets, like a fine yellowish membrane, which opens upward. This valve does not allow blood flow back.

Heart valves, b) mitral and tricuspid valve is much more complex and complicated even though they have two valves. In the mitral valve has two valve leaves. While the tricuspid valve has three cusps sheet.

c) Basis of the valve leaflets that form a ring embedded in the edge of the porch and cubicles. The tape, called chordae tendineae, tying the leaves of this valve with part of the chamber called papillary muscular. The function of the valve or valves is to keep the blood flow remains in one direction.

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