Which layer surrounds a single muscle fiber?

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Explore the Muscular System with our Anatomy and Physiology Test. Use flashcards and multiple-choice questions for practice. Prepare effectively with hints and detailed explanations. Ace 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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