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  1. May 14, 2022 · As your heart pumps blood, four valves open and close to make sure blood flows in the correct direction. As they open and close, they make two sounds that create the sound of a heartbeat. The four valves are the aortic valve, mitral valve, pulmonary valve and tricuspid valve. A heart murmur is often the first sign of a heart valve problem.

    • Heart anatomy. The heart has five surfaces: base (posterior), diaphragmatic (inferior), sternocostal (anterior), and left and right pulmonary surfaces. It also has several margins: right, left, superior, and inferior
    • Heart valves. Heart valves separate atria from ventricles, and ventricles from great vessels. The valves incorporate two or three leaflets (cusps) around the atrioventricular orifices and the roots of great vessels.
    • Blood flow through the heart. The blood flow through the heart is quite logical. It happens with the heart cycle, which consists of the periodical contraction and relaxation of the atrial and ventricular myocardium (heart muscle tissue).
    • Coronary circulation. The heart must also be supplied with oxygenated blood. This is done by the two coronary arteries: left and right. Heart muscles work constantly (thank goodness!)
  2. Aug 31, 2023 · Right atrioventricular valve. Valva atrioventricularis dextra. 1/4. Synonyms: Tricuspid valve, Valva tricuspidalis. Understanding heart valves anatomy is important in grasping the overall function of the heart. The heart is one of the most important organs in the body. It is responsible for propelling blood to every organ system, including itself.

  3. Feb 14, 2023 · The four valves of the heart allow blood to flow through the heart in the right direction. The valves open or close each time the heart beats. Problems with the heart valves can lead to ...

  4. Dec 22, 2017 · The valves of the heart are structures which ensure blood flows in only one direction. They are composed of connective tissue and endocardium (the inner layer of the heart). There are four valves of the heart, which are divided into two categories: Atrioventricular valves: The tricuspid valve and mitral (bicuspid) valve. They are located ...

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  5. May 23, 2024 · The four valves in order of circulation are: Tricuspid Valve. Has three leaflets or cusps. Separates the top right chamber (right atrium) from the bottom right chamber (right ventricle). Opens to allow blood to flow from the right atrium to the right ventricle. Prevents the back flow of blood from the right ventricle to the right atrium.

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  7. Jan 26, 2024 · Your heart pumps blood through three types of blood vessels: Arteries carry oxygen-rich blood from your heart to your body’s tissues. The exception is your pulmonary arteries, which go to your lungs. Veins carry oxygen-poor blood back to your heart. Capillaries are small blood vessels where your body exchanges oxygen-rich and oxygen-poor blood.

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