Nerve Synapse #3 Photograph by Science Photo Library

Nerve Synapse #3

by Science Photo Library

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Title

Nerve Synapse #3

Artist

Science Photo Library

Medium

Photograph - Photograph

Description

Synapse. Illustration of a synapse, the junction between two nerve cells . Other nerve cell bodies are present (branched, with mauve nuclei). Synapses transmit electrical signals from one nerve cell to the next. When an electrical signal reaches a synapse it triggers the release of chemicals called neurotransmitters (red) from vesicles (pink) in the terminal swelling of the presynaptic cell. The vesicles burst through the membrane, & neurotransmitters cross a microscopic gap called the synaptic cleft, and bind to the receptor nerve cell. The neurotransmitter changes the permeability of the postsynaptic membrane, causing it to propagate an electrical impulse.

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October 7th, 2018

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