sarcolemma

• 包裹在肌纤维（肌细胞）外的可兴奋细胞膜，由脂双层和糖萼组成，能传导动作电位并维持肌细胞的电活动。

An extensible membrane that encloses the contractile substance of a muscle fiber.

1. Muscle fiber membraneC2formalscientific

   The thin, extensible membrane that surrounds the contractile substance of a muscle fiber, acting as a protective barrier and regulating the passage of substances.

   肌膜

   • The sarcolemma is essential for transmitting electrical impulses to the muscle fiber.
   • Damage to the sarcolemma can impair muscle function and repair.
   • Under a microscope, the sarcolemma appears as a delicate sheath around the muscle cell.