MUSCLE PHYSIOLOGY

PHYSIOLOGY

MUSCLE STRUCTURE FUNCTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A fine protective sheath of connective tissue around a skeletal muscle fiber
A
endomysium
B
epimysium
C
perimysium
D
aponeurosis
E
sarcolemma
Explanation: 

Detailed explanation-1: -The outermost connective tissue sheath surrounding the entire muscle is known as epimysium. The connective tissue sheath covering each fasciculus is known as perimysium, and the innermost sheath surrounding individual muscle fiber is known as endomysium.

Detailed explanation-2: -Each muscle is surrounded by a connective tissue sheath called the epimysium. Fascia, connective tissue outside the epimysium, surrounds and separates the muscles. Portions of the epimysium project inward to divide the muscle into compartments. Each compartment contains a bundle of muscle fibers.

Detailed explanation-3: -The endomysium, meaning within the muscle, is a wispy layer of areolar connective tissue that ensheaths each individual muscle fiber, or muscle cell. It also contains capillaries and nerves.

Detailed explanation-4: -Connective tissue wrappings in skeletal muscle. The epimysium surrounds the entire muscle and is continuous with tendons at the ends. The perimysium surrounds groups of muscle cells (myofibers) called fascicles. A basal lamina, the endomysium, surrounds each myofiber.

Detailed explanation-5: -Endomysium is a connective tissue protein found in the collagenous matrix of human and monkey tissue.

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