How is the motor end plate different from other parts of the sarcolemma?

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dastice eNotes educator| Certified Educator

The sarcolemma is the thin, transparent cell membrane of a striated muscle cell, consisting of a plasma membrane and an outer coat.  The motor endplate is a specific part of the sarcolemma that contains acetylcholine (ACH) receptors and helps form the neuromuscular junction (the region of the muscle cell where a motor neuron stimulates the cell to contract).