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Apr 20, 2023 · Posterior interventricular sulcus – located on the posterior surface of the heart and represents the separation of the left and right ventricle. It contains the posterior interventricular artery and the middle cardiac vein.
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- 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!)
Aug 26, 2013 · The left side of the heart pumps blood through the systemic circuit to all body tissues and back to the right side of the heart . The posterior surface has a broad, flat base about 9 cm (3.5 inches) wide. Its directed toward the right shoulder and its apex points inferiorly toward the left hip.
The heart has the shape of a pyramid, with its apex pointing towards the left nipple while its base forms the posterior surface of the heart. Other surfaces are the anterior, inferior (or diaphragmatic), and two pulmonary surfaces facing the lungs.
Jun 11, 2024 · Coronary arteries are blood vessels that supply the heart muscle (myocardium) with oxygen-rich blood. Coronary veins remove oxygen-poor blood. Key coronary arteries include: Left coronary artery: This artery supplies blood to the left side of the heart, including the left ventricle and left atrium.
Oct 20, 2024 · The right ventricle makes up the right side and much of the anterior portion of the heart, while the left ventricle makes up the left side and much of the posterior portion of the heart (Figure \(\PageIndex{6}\)).
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Oct 25, 2022 · Introduction to the Chambers of the Heart: The heart is made up of four chambers. heart chambers. 1. 2. The superior chambers consist of the right atrium and left atrium (plural, atria: L., corridor). which lie primarily on the posterior side of the heart. [Interior view / Posterior view]
