Anatomy of the heart overview: Difference between revisions
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==Overview== | ==Overview== | ||
The [[mediastinum]] occupies the center of the thoracic cavity between the pulmonary viscera. It spans superiorly at the level of the thoracic aperture, inferiorly at the diaphragm, and from the sternum to the costal cartilages and bodies of vertebrae T1 to T12 antero-posteriosly. With the exception of the lungs, the mediastinum involves all thoracic viscera. For the purpose of description, the mediastinum is divided into superior, middle and inferior sections. The heart, its roots of the great vessels (ascending aorta, pulmonary trunk, superior vena cava), and the pericardium occupy the middle mediastinum. | The [[mediastinum]] occupies the center of the thoracic cavity between the pulmonary viscera. It spans superiorly at the level of the thoracic aperture, inferiorly at the diaphragm, and from the sternum to the costal cartilages and bodies of vertebrae T1 to T12 antero-posteriosly. With the exception of the lungs, the mediastinum involves all thoracic viscera. For the purpose of description, the mediastinum is divided into superior, middle and inferior sections. The heart, its roots of the great vessels (ascending aorta, pulmonary trunk, superior vena cava), and the pericardium occupy the middle mediastinum. | ||
==The Pericardium== | ==The Pericardium== | ||
The pericardium is a double-walled sac containing the [[heart]] and the roots of the [[great vessels]]. | The pericardium is a double-walled sac containing the [[heart]] and the roots of the [[great vessels]]. | ||
Revision as of 17:59, 24 February 2013
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Assistant Editor(s)-in-Chief: Rim Halaby, Yazan Daaboul
Overview
The mediastinum occupies the center of the thoracic cavity between the pulmonary viscera. It spans superiorly at the level of the thoracic aperture, inferiorly at the diaphragm, and from the sternum to the costal cartilages and bodies of vertebrae T1 to T12 antero-posteriosly. With the exception of the lungs, the mediastinum involves all thoracic viscera. For the purpose of description, the mediastinum is divided into superior, middle and inferior sections. The heart, its roots of the great vessels (ascending aorta, pulmonary trunk, superior vena cava), and the pericardium occupy the middle mediastinum.
The Pericardium
The pericardium is a double-walled sac containing the heart and the roots of the great vessels.