5 terms

Events at the Neuromuscular Junction

Site Title: Marieb/Hoehn, Human Anatomy & Physiology, 9e - Study Area Book's Title: Human Anatomy and Physiology Book's Author: Marieb/Hoehn Location on Site: A&P Flix > A&P Flix Quizzes > A&P Flix Quizzes > Events at the Neuromuscular Junction
As an axon enters a muscle, it branches into a number of axon terminals, each of which makes contact with a single muscle fiber. The portion of the sarcolemma in contact with the axon terminals is called the ________.
Motor end plate
At the neuromuscular junction, calcium ions act to _________.
Release synaptic vesicles from the axon terminal
The first thing that occurs when the axon terminal releases ACh is _________.
Diffusion across the synaptic cleft
What type of ion channel opens in response to an action potential arriving at the axon terminal?
Voltage-gated calcium
What is the name of the enzyme that degrades ACh?