ANATOMY
CHEST AND CARDIOVASCULAR
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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endocardium
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pericardium
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myocardium
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ectocardium
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Detailed explanation-1: -The muscle layer of the heart is termed the myocardium and is made up of cardiomyocytes. The myocardium is found in the walls of all four chambers of the heart, though it is thicker in the ventricles and thinner in the atria.
Detailed explanation-2: -The myocardium contains a large number of mitochondria, providing energy for the heart muscle. The endocardium forms the inner lining of the heart, and the flaps which form the valves of the heart.
Detailed explanation-3: -Cardiac muscle (also called heart muscle or myocardium) is one of three types of vertebrate muscle tissues, with the other two being skeletal muscle and smooth muscle. It is an involuntary, striated muscle that constitutes the main tissue of the wall of the heart.