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- Posterior (base of the pyramid) – Left atrium.
teachmeanatomy.info/thorax/organs/heart/borders-sinuses-sulci/
Sep 7, 2024 · Anterior and Posterior. Anterior refers to the ‘front’, and posterior refers to the ‘back’. Putting this in context, the heart is posterior to the sternum because it lies behind it. Equally, the sternum is anterior to the heart because it lies in front of it. Examples: Pectoralis major lies anterior to pectoralis minor.
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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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Oct 25, 2022 · On the posterior surface of the heart, the ventricles are separated by the posterior interventricular sulcus (or groove), which contains the posterior interventricular artery, middle cardiac vein, and adipose tissue.
Jun 11, 2024 · The heart is the pump that moves blood around your body. It has four main parts: two upper chambers called atria and two lower chambers called ventricles. These parts work together to get oxygen-rich blood to your body and oxygen-poor blood back to your heart.
Nov 10, 2024 · The apex of the heart is the pointed lower tip that is oriented downward and to the left. It is formed by the tip of the left ventricle and is located at the level of the 5th intercostal space, typically slightly to the left of the midline. The base of the heart is its broader upper part and is primarily formed by the atria, especially the left ...
Nov 3, 2023 · The aortic semilunar valve is between the left ventricle and the opening of the aorta. It has three semilunar cusps/leaflets: left/left coronary, right/right coronary, and posterior/non-coronary. In clinical practice, the heart valves can be auscultated, usually by using a stethoscope.
Oct 20, 2024 · The shape of the heart is similar to a pinecone, rather broad at the superior surface (the base, on the posterior side) and tapering to the apex (Figure 17.2.1 17.2. 1). The apex of the heart is inferior and to the left while the base of the heart is superior and posterior.
