CVS1 - Cardiovascular System Cardiovascular System Heart...

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Unformatted text preview: Cardiovascular System Cardiovascular System Heart Anatomy • Approximately the size of your fist Heart Anatomy • Location – Superior surface of diaphragm Heart Anatomy • Location – Left of the midline Fossa Ovalis Heart Anatomy • Location – Anterior to the vertebral column, posterior to the sternum Coverings of the Heart: Anatomy • Pericardium – a double-walled sac Coverings of the Heart: Anatomy • Pericardium – a double-walled sac around the heart composed of: – A superficial fibrous pericardium Coverings of the Heart: Anatomy • Pericardium – a double-walled sac around the heart composed of: – A superficial fibrous pericardium – A deep two-layer serous pericardium Coverings of the Heart: Anatomy • Pericardium – a double-walled sac around the heart composed of: – A deep two-layer serous pericardium • The parietal layer lines the internal surface of the fibrous pericardium Coverings of the Heart: Anatomy • Pericardium – a double-walled sac around the heart composed of: – A deep two-layer serous pericardium • The visceral layer or epicardium lines the surface of the heart Coverings of the Heart: Anatomy • Pericardium – a double-walled sac around the heart composed of: – A deep two-layer serous pericardium • They are separated by the fluid-filled pericardial cavity Coverings of the Heart: Physiology • The pericardium: – Protects and anchors the heart • The pericardium: – Prevents overfilling of the heart with blood • The pericardium: – Allows for the heart to work in a relatively friction- free environment Pericardial tamponade Heart Wall • Epicardium – visceral layer of the serous pericardium Heart Wall • Myocardium – cardiac muscle layer forming the bulk of the heart Heart Wall • Fibrous skeleton of the heart – crisscrossing, interlacing layer of connective tissue Heart Wall • Endocardium – endothelial layer of the inner myocardial surface External Heart: Major Vessels of the...
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CVS1 - Cardiovascular System Cardiovascular System Heart...

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