Muscle Fibers · Histology

The sarcolemma of a muscle fiber is synonymous with its:

  1. Cytoplasm
  2. Plasma membrane
  3. Connective tissue sheath
  4. Endoplasmic reticulum
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Correct answer: Plasma membrane

The sarcolemma is the specialized plasma membrane of a muscle cell. It is covered by an external lamina and a delicate layer of reticular fibers called the endomysium.

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