Anatomy of the Heart

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Anatomy of the Heart

• Salt Lake Community College
• Human Anatomy Laboratory

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Objectives

• Review blood histology
• Review cardiac muscle histology
• Identify layers of the heart wall
• Review the location of the heart within the
  thoracic cavity
• Identify structures in gross anatomy of the heart
• Identify vessels involved in coronary circulation

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Organization of the Cardiovascular System
Figure 201
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Cardiac Muscle Histology
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Blood Cells
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Heart

• Located directly behind sternum

Between 2 pleural cavities in the mediastinum
Figure 202a
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HEART The real thing in ventral view. Lungs
have been removed.
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Pericardium
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Heart Wall
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Specific Heart Anatomy
Anterior View
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External Anatomy
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Coronary Circulation
Figure 18.7a
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Figure 206a
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Walls of the ventricles Left wall is thicker!
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Heart Valves

• Atrioventricular
• Tricuspid
• Bicuspid or mitral
• Semilunar
• Aortic
• Pulmonary
• Prevent blood from flowing back

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Heart Valves