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What happens when a nerve impulse reaches a synapse?

1 Answer
Sep 18, 2016

Answer:

Impulse reaches axonic end of synapse (impulse always travels from axon to dendron) #rarr# calcium ions flow in axonic terminal#rarr# secretory vescicles release neurotransmitter #rarr# dendritic end across synapse become depolarised #rarr# new impulse generated