MEDICAL
HEART AND PERICARDIUM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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intima
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externa
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media
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adventitia
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Detailed explanation-1: -The tunica media or a middle layer composed of elastic and muscular tissue which regulates the internal diameter of the vessel. The tunic intima or an inner layer consisting of an endothelial lining which provides a frictionless pathway for the movement of blood.
Detailed explanation-2: -Tunica Media It is generally the thickest layer in arteries, and it is much thicker in arteries than it is in veins. The tunica media consists of layers of smooth muscle supported by connective tissue that is primarily made up of elastic fibers, most of which are arranged in circular sheets.
Detailed explanation-3: -The tunica media is the middle portion of the vessel wall and contains smooth muscle cells and connective tissue, whereas the tunica adventitia is composed of connective tissue that is often continuous with the surrounding soft tissues.