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Medical Term:

neuromuscular transmission


Definition: the mechanism whereby motor nerve impulses initiate muscle contraction. When the impulses reach the motor nerve terminal (end plate), they cause vesicles containing acetylcholine to be released, which traverse the synaptic cleft and, on reaching the postsynaptic membrane, generate muscle action potentials.

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.