HTHSCI 1H06 Chapter Notes -Anaerobic Glycolysis, Atp Hydrolysis, Cellular Respiration
23 Sep 2013
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Produce body movements, maintain posture, generate heat, provide protection. Make up 40-50% of total adult body weight. Most controlled subconsciously to some extent (diaphragm) Walls of hollow internal structures (blood vessels, airways) Subcutaneous layer or hypodermis (separating muscle from skin) composed of areolar connective tissue and adipose tissue. Provides pathway for nerves, blood vessels, and lymphatic vessels to enter and exit muscles. Fascia dense sheet or broad band of irregular connective tissue that lines body wall and limbs and supports and surrounds muscles and other organs of the body. Epimysium outermost layer of dense tissue. Perimysium surrounds groups of 10 to 100 or more muscle fibers, separating them into bundles called fascicles. Endomysium penetrates interior of each fascile and separates individual muscle fibers from one another. When the connective tissue elements extend as broad, flat sheet, it is an aponeurosis. Artery and one or two veins accompany each nerve penetrating skeletal muscle.
