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  2. Ventricle (heart) - Wikipedia

    en.wikipedia.org/wiki/Ventricle_(heart)

    The left ventricle receives oxygenated blood from the left atrium via the mitral valve and pumps it through the aorta via the aortic valve, into the systemic circulation. The left ventricular muscle must relax and contract quickly and be able to increase or lower its pumping capacity under the control of the nervous system.

  3. Anatomy of the human heart - Wikipedia

    en.wikipedia.org/wiki/Anatomy_of_the_human_heart

    The heart is a muscular organ situated in the mediastinum.It consists of four chambers, four valves, two main arteries (the coronary arteries), and the conduction system. The left and right sides of the heart have different functions: the right side receives de-oxygenated blood through the superior and inferior venae cavae and pumps blood to the lungs through the pulmonary artery, and the left ...

  4. Left ventricular thrombus - Wikipedia

    en.wikipedia.org/wiki/Left_ventricular_thrombus

    Left ventricular thrombus is a blood clot (thrombus) in the left ventricle of the heart. LVT is a common complication of acute myocardial infarction (AMI). [1][2] Typically the clot is a mural thrombus, meaning it is on the wall of the ventricle. [3] The primary risk of LVT is the occurrence of cardiac embolism, [1][4] in which the thrombus ...

  5. Cardiac cycle - Wikipedia

    en.wikipedia.org/wiki/Cardiac_cycle

    The section shows: 1) the opened ventricles contracting once per heartbeat—that is, once per each cardiac cycle; 2) the (partly obscured) mitral valve of the left heart; 3) the tricuspid and pulmonary valves of the right heart—note these paired valves open and close oppositely. + (The aortic valve of the left heart is located below the ...

  6. Heart valve - Wikipedia

    en.wikipedia.org/wiki/Heart_valve

    A heart valve opens or closes according to differential blood pressure on each side. [1] [2] [3] The four valves in the mammalian heart are two atrioventricular valves separating the upper atria from the lower ventricles – the mitral valve in the left heart, and the tricuspid valve in the right heart. The other two valves are at the entrance ...

  7. Systole - Wikipedia

    en.wikipedia.org/wiki/Systole

    The left ventricular systole enables blood pressure to be routinely measured in the larger arteries of the left ventricle of the heart. LV systole is volumetrically defined as the left ventricular ejection fraction (LVEF). Similarly, RV systole is defined as the right ventricular ejection fraction (RVEF).

  8. Heart - Wikipedia

    en.wikipedia.org/wiki/Heart

    The left atrium is connected to the left ventricle by the mitral valve. [7] The left ventricle is much thicker as compared with the right, due to the greater force needed to pump blood to the entire body. Like the right ventricle, the left also has trabeculae carneae, but there is no moderator band. The left ventricle pumps blood to the body ...

  9. Mitral valve - Wikipedia

    en.wikipedia.org/wiki/Mitral_valve

    3987. FMA. 7235. Anatomical terminology. [edit on Wikidata] The mitral valve (/ ˈmaɪtrəl /), also known as the bicuspid valve or left atrioventricular valve, is one of the four heart valves. It has two cusps or flaps and lies between the left atrium and the left ventricle of the heart. The heart valves are all one-way valves allowing blood ...