PHYSIOLOGY
SYNAPTIC PHYSIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Into what does the neuron release its neurotransmitter at the neuromuscular junction?
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motor end plate
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cytoplasm of the muscle cell
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terminal cisternae
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synapse
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Explanation:
Detailed explanation-1: -The arrival of a nerve impulse at the neuromuscular junction causes thousands of tiny vesicles (pouches) filled with a neurotransmitter called acetylcholine to be released from the axon tip into the synapse.
Detailed explanation-2: -A microscopic gap called a synaptic cleft exists at the neuro muscular junction. When a nerve impulse arrives at the axon terminal of one neuron, a chemical substance called neuro transmitter is released through the presynaptic membrane, traveling in milliseconds across the synaptic cleft.
Detailed explanation-3: -Presynaptic neuron: the neuron that releases neurotransmitter at a synapse. Postsynaptic neuron: the neuron with receptors for the released neurotransmitter.
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