A region of the sarcolemma that faces an expanded portion of an axonal branch is the motor end plate.

Question

Quizplus · Accepted Answer

This statement is true. The motor end plate is a region of the sarcolemma (the cell membrane of a muscle fiber) that faces an expanded portion of an axonal branch, which forms the neuromuscular junction. This is where a motor neuron communicates with a muscle fiber, leading to muscle contraction.

A Region of the Sarcolemma That Faces an Expanded Portion