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A&P II - Lab #3. The Heart. Thin Wall. Thick Wall. Septum. 3 Layers of the Wall. Myocardium: cardiac muscle tissue Endocardium: inner surface; thin, serous membrane Epicardium: outer surface of the heart; serous membrane = visceral pericardium
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A&P II - Lab #3 The Heart
Thin Wall Thick Wall Septum
3 Layers of the Wall • Myocardium: • cardiac muscle tissue • Endocardium: • inner surface; thin, serous membrane • Epicardium: • outer surface of the heart; serous membrane = visceral pericardium • Enclosed within parietal pericardium