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10 July, 18:49

What is the relationship between a synaptic vesicle and a neurotransmitter? explain how the movement of synaptic vesicles in a neuron controls muscle contraction in worms with normal nervous systems?

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  1. 10 July, 20:31
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    In a neuron, synaptic vesicles (or neurotransmitter vesicles) store various neurotransmitters that are released at the synapse. The release is regulated by a voltage-dependent calcium channel. Vesicles are essential for propagating nerve impulses between neurons and are constantly recreated by the cell. The area in the axon that holds groups of vesicles is an axon terminal or "bouton". Up to 130 vesicles can be released per bouton over a ten-minute period of stimulation at 0.2 Hz.[1] In the human brain region V1 synaptic vesicles have an average diameter of 39.5 nanometers with a standard deviation of 5.1 nanometers.[2]
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