The Synapse

A synapse is a point in the nervous system when the axon of a neurone meets the dendrite of another neurone or a target effector cell. They link individual neurones together to make the nervous system, and are important for coordinating activities.

Structure of a synapse

Synapses use neurotransmitters to transmit an impulse across the gap, called the synaptic cleft, which is about 20-30 nanometres wide. The part of the neurone which releases neurotransmitter is…