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The skin cell membrane, or plasma membrane, is a lipid bilayer that surrounds all cells, providing structural support and regulating the passage of substances in and out of the cell. In contrast, the sarcolemma is a specialized type of cell membrane found in muscle fibers, particularly skeletal and cardiac muscle cells. It not only serves the same basic functions as a typical cell membrane but also plays a crucial role in muscle contraction by conducting electrical impulses and connecting to the muscle's internal structures, such as the sarcoplasmic reticulum. Additionally, the sarcolemma contains receptors and proteins specific to muscle function, distinguishing it from the general cell membrane.

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1w ago

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Related Questions

What is a cell membrane of a muscle fiber called?

what is the plasma membrane of the muscle cell


What is the difference between endomysium and sarcolemma?

The endomysium is a connective tissue sheath that surrounds individual muscle fibers, providing support and elasticity. The sarcolemma, on the other hand, is the cell membrane of a muscle fiber, responsible for controlling the movement of substances in and out of the cell.


Is sarcolemma a ligament?

No, the sarcolemma is the plasma membrane of a muscle cell.


What is the difference between sarcolemma and endomysium in muscle tissue structure?

The sarcolemma is the cell membrane of a muscle fiber, while the endomysium is the connective tissue that surrounds individual muscle fibers within a muscle.


What is the difference between endomysium and sarcolemma in muscle tissue structure?

The endomysium is a connective tissue layer that surrounds individual muscle fibers, while the sarcolemma is the cell membrane of a muscle fiber. The endomysium provides support and protection to the muscle fibers, while the sarcolemma controls the movement of substances in and out of the muscle cell.


What is that thin membrane surrounding a muscle fiber called?

its called the plasma membrane or cell membrane. sometimes the semi-permeable plasma membrane. The Sarcolemma is the plasma membrane specifically surrounding a muscle fiber.


What is the plasma membrane of the muscle fiber?

The plasma membrane of a muscle fiber is called the sarcolemma. It surrounds the muscle cell and is responsible for controlling the passage of substances in and out of the cell, as well as transmitting signals for muscle contraction. The sarcolemma is essential for maintaining the integrity and function of the muscle fiber.


The plasma membrane of muscle cells is called the?

the sarcolemma encloses the muscle cell


What is depolarization of the sarcolemma?

Depolarization of the sarcolemma is the process where there is a change in the electrical charge across the cell membrane of a muscle cell. This change in charge helps to propagate an action potential along the cell membrane, initiating muscle contraction.


What is a sacrolemma?

sarcolemma is the plasma membrane of the muscle fiber (muscle cell)


What are the specific terms for plasma membrane and cytoplasm of muscle cell?

Plasma membrane of a muscle cell is called sarcolemma, while the cytoplasm is referred to as sarcoplasm.


What is sarcolemma function?

These are the choices... a. Storage site for calcium ions in myofibersb. cell membrane of a myofiberc. compound that binds oxygen for use in slow, oxidative muscle cellsd. separation between sarcomeres in a myofibere structure that produces acetylcholine.