What happens as a result of ion flow at a presynaptic terminal?

Biology

1 answer:

Anarel [89]3 years ago

7 0

The correct answer is: Release of neurotrasmitters from the synaptic vesicles

Action potential travels through the membrane of the presynaptic cell causing the channels permeable to calcium ions to open. Ca2+ flow through the presynaptic membrane and increase the Ca concentration in the cell which will activate proteins attached to vesicles that contain a neurotransmitter (e.g. acetylcholine), Vesicles fuse with the membrane of the presynaptic cell, thereby release their contents into the synaptic cleft-space between the membranes of the pre- and postsynaptic cells.

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