Chapter 31 The Heart

Chapter 31 The Heart - Chapter 31 Anatomy of the Heart...

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Chapter 31 Anatomy of the Heart
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Gross anatomy of the heart ¢ Localized in the mediastinum ¢ It has a pointed apex l At the level of the 5th intercostal space ¢ And a broad base l Beneath the 2nd rib l Is the site of emerging of the great vessels
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¢ Pericardial cavity ¢ Visceral pericardium or epicardium ¢ Parietal pericardium l Pericardial fluid ¢ Pericardial sac (fibrous) l Stabilizes the heart and its vessels ¢ Pericarditis The pericardium
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The Location of the Heart in the Thoracic Cavity Figure 20.2c
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Gross anatomy of the heart ¢ Myocardium l Muscle wall of the heart l Fibrous skeleton of the heart ¢ Endocardium
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¢ The heart consists of four chambers l Two atria Two auricles l Two ventricles ¢ Major blood vessels of the heart include l Inferior and superior vena cavae l Aorta, pulmonary trunk and pulmonary veins Superficial Anatomy of the Heart
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The Superficial Anatomy of the Heart
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The Superficial Anatomy of the Heart Figure 20.3b, c
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¢ Atria l Thin walled upper chambers that receive blood from the vena cava ¢ Ventricles l Thick walled lower chambers separated from the atria by AV valves The superficial Anatomy of the heart
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¢ Right atrium (RA) l Receives blood coming from the body via
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Chapter 31 The Heart - Chapter 31 Anatomy of the Heart...

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