EMBRYOLOGY
NERVOUS SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The surface on a neuron that releases synaptic vesicles is the
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node of Ranvier.
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dendrite.
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axon hillock.
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postsynaptic membrane.
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presynaptic membrane.
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Explanation:
Detailed explanation-1: -Active zone, a specialized area on the presynaptic membrane of a nerve cell at which synaptic vesicles fuse to release neurotransmitters into the synaptic cleft and transmit signals to the next synapse or muscle.
Detailed explanation-2: -Synaptic vesicles (SVs) are small, electron-lucent vesicles that are clustered at presynaptic terminals.
Detailed explanation-3: -Neurotransmitter is stored inside small sacs called synaptic vesicles, and is released into the synaptic cleft of the synapse when a vesicle fuses with the cell membrane. This process, which is known as exocytosis, can release neurotransmitter in less than a millisecond.
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