Multiple Choice
In the structure of a skeletal muscle, what is the cordlike part that attaches a muscle to a bone?
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9. Muscle Tissue
Structure of a Skeletal Muscle
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In the structure of skeletal muscle, what is the term for a bundle of muscle fibers (muscle cells) surrounded by perimysium?
A
Sarcomere
B
Fascicle
C
Tendon
D
Myofibril
Verified step by step guidance1
Understand the hierarchical structure of skeletal muscle, which is organized from the smallest to the largest components: myofilaments, myofibrils, muscle fibers (cells), fascicles, and the whole muscle.
Recall that a muscle fiber (or muscle cell) is surrounded by a connective tissue layer called the endomysium.
Recognize that a group or bundle of muscle fibers is surrounded by another connective tissue layer called the perimysium.
Identify that this bundle of muscle fibers surrounded by perimysium is called a fascicle.
Differentiate the other terms: a sarcomere is the functional contractile unit within a myofibril, a tendon connects muscle to bone, and a myofibril is a subunit within a muscle fiber composed of sarcomeres.
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