At the neuromuscular junction, the nerve releases a neurotransmitter called acetylcholine to activate receptors on the muscle cell membrane.
Thousands of small vesicles (pouches) containing the neurotransmitter acetylcholine are released from the axon tip into the synapse when a nerve impulse reaches the neuromuscular junction.
What is acetylcholine?
The organic molecule acetylcholine serves as a neurotransmitter in the bodies and brains of numerous species of animals. It is an ester of acetic acid and choline, which is how its name was formed from its chemical composition. Cholinergic refers to bodily regions that use or are impacted by acetylcholine.
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