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Left atrium
- Posterior (base of the pyramid) – Left atrium.
teachmeanatomy.info/thorax/organs/heart/borders-sinuses-sulci/
Sep 7, 2024 · 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. The triceps are posterior to biceps brachii. The patella is located anteriorly in the lower limb.
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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.
Apr 20, 2023 · In the anatomical position, the heart has five surfaces – each formed by the different chambers of the heart: Anterior (or sternocostal) – Right ventricle. Posterior (base of the pyramid) – Left atrium.
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Oct 20, 2024 · Located between the left and right ventricles are two shallower sulci: the anterior interventricular sulcus is visible on the anterior surface of the heart (Figure \(\PageIndex{8.A}\)), whereas the posterior interventricular sulcus is visible on the posterior surface of the heart (Figure \(\PageIndex{8.B}\)).
Aug 26, 2013 · Enclosed within the mediastinum, the medial cavity of the thorax, the heart extends obliquely from the second rib to the fifth intercostal space. It rests on the superior surface of the diaphragm, lies posterior to the sternum and anterior to the vertebral column.
Nov 3, 2023 · The heart is shaped as a quadrangular pyramid, and orientated as if the pyramid has fallen onto one of its sides so that its base faces the posterior thoracic wall, and its apex is pointed toward the anterior thoracic wall.
Oct 25, 2022 · 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] Have you been making any of the common anatomy learning mistakes? Find out! The right and left atrium of the heart. 1. 2. 3. 4. 5. 6.
