Which layer surrounds a single muscle fiber?

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Study for the Anatomy and Physiology Muscular System Test. Prepare with flashcards and multiple choice questions; each question provides hints and explanations. Get ready to excel in your exam!

Multiple Choice

Which layer surrounds a single muscle fiber?

Explanation:
Endomysium wraps each individual muscle fiber. This thin connective tissue layer separates neighboring fibers, houses capillaries that feed the fiber, and contains satellite cells for repair. The layer around a fascicle is the perimysium, and the layer around the entire muscle is the epimysium. Blood vessels run through these connective tissue layers to supply the fibers but do not encase a single fiber by themselves. So, the layer surrounding a single muscle fiber is the endomysium.

Endomysium wraps each individual muscle fiber. This thin connective tissue layer separates neighboring fibers, houses capillaries that feed the fiber, and contains satellite cells for repair. The layer around a fascicle is the perimysium, and the layer around the entire muscle is the epimysium. Blood vessels run through these connective tissue layers to supply the fibers but do not encase a single fiber by themselves. So, the layer surrounding a single muscle fiber is the endomysium.

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