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20 kwi 2023 · Separating the surfaces of the heart are its borders. There are four main borders of the heart: Right border – Right atrium. Inferior border – Left ventricle and right ventricle. Left border – Left ventricle (and some of the left atrium) Superior border – Right and left atrium and the great vessels. Fig 1.
3 sie 2023 · The surface projections of the heart represent points on the thoracic wall that map out the outline and valves of the heart. These include four borders (superior, right, inferior, left) and four valves (left atrioventricular, right atrioventricular, aortic, pulmonary). The main reference points used for the surface projections of the heart are ...
3 lis 2023 · 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: The right margin is the small section of the right atrium that extends between the superior and inferior vena cava.
The Surfaces and Borders of the Heart.
11 sty 2021 · The sharp angle formed mainly by the right ventricle and occupying the lower heart border is the acute margin of the heart. The rounded obtuse margin of the heart is formed mainly by the left ventricle to the left of the sternocostal surface.
The Right Border Is convex line from the upper border of the Right 3rd costal cartilage 1.2 cm from sternum to the 6666thtthhth Costal Cartilage.
The four borders are the superior, inferior, right, and left borders. As the heart is rotated, the majority of the anterior surface consists of the right atrium and ventricle. The superior border consists of the atria, the base of the superior vena cava, ascending aorta, and pulmonary trunk.
