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vlada-n [284]
3 years ago
14

The primary neurotransmitter at the neuromuscular junction is

Biology
1 answer:
aleksandrvk [35]3 years ago
5 0

Answer:

<u>acetylcholine</u>

Explanation:

In the pre-synaptic knob there are vesicles which contain a transmitter substance called acetylcholine. When an impulse reaches the synaptic knob, it stimulates the vesicles to move towards the pre-synaptic membrane releasing the acetylcholine.

The transmitter substance makes the membrane permeable. The neuromuscular junction contains the sensory neurone(afferent), motor neurones(efferent) and the relay neurones(connector).

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