MEDICAL
HEART AND PERICARDIUM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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epicardium
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myocardium
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endocardium
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septum
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Detailed explanation-1: -Myocardium is the thick muscular middle layer of the wall of the heart. It is composed of spontaneously contracting cardiac muscle fibers which allow the heart to contract.
Detailed explanation-2: -The heart wall is comprised of three layers. The endocardium is the innermost layer, and the muscular middle layer is the myocardium. The epicardium is the outermost layer of the heart wall, and also the innermost layer of the protective pericardium that surround the heart.
Detailed explanation-3: -The epicardium is the outer layer that contains blood vessels. The myocardium is the middle layer that is composed of contractile tissues. The endocardium is the innermost layer and composes the valves, inner lining of the chambers, and contains vessels and nerves.