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20 kwi 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.
- Heart
The Surfaces and Borders of the Heart.
- Heart
3 lis 2023 · Key facts about the heart. Borders. Superior (atria, auricles), inferior (right and left ventricles), left (left auricle, left ventricle), right (right atrium) borders. Surfaces. Sternocostal (right ventricle), diaphragmatic (mostly right ventricle, portion of left ventricle), pulmonary (cardiac impression) surfaces.
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 ...
The Surfaces and Borders of the Heart.
13 lip 2023 · In the anatomical position, the heart has six surfaces and four borders that are named in relation to adjacent anatomical structures and their geometrical orientation, respectively: The surfaces of the heart are: The anatomical base is the posterior surface of the heart and is made up mostly by the left, and part of the right, atria.
The pericardium is a thick membrane that covers the heart. It consists of two layers: the fibrous pericardium and the serous pericardium. It forms two recesses: the transverse recess and oblique recess. The transverse recess lies behind the aorta and pulmonary trunk, while the oblique recess lies behind the left atrium. [5] .
Learning Objectives. By the end of this section, you will be able to: Describe the location and position of the heart within the body cavity. Describe the internal and external anatomy of the heart. Identify the tissue layers of the heart. Relate the structure of the heart to its function as a pump.
