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Coloured TEM of synapse of nerve

Coloured TEM of synapse of nerve

P360/0110

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Credit

DON FAWCETT / SCIENCE PHOTO LIBRARY DON FAWCETT / SCIENCE PHOTO LIBRARY

Caption

Synapse. Coloured Transmission Electron Micrograph (TEM) of a synapse, the junction between two nerve cells. Synapses transmit an electrical signal from one nerve cell to the next. In this case, the pre- synaptic cell is blue, the post-synaptic cell is green. When an electrical signal reaches a synapse it triggers the release of chemicals called neuro- transmitters from tiny vesicles (blue-green circles, top) at the end of the cell. The vesicles burst through the membrane (exocytosis - yellow holes), and the neurotransmitters then cross a microscopic gap and bind to the receptor nerve cell, passing on the signal. Magnification unknown.

Release details

Model release not required. Property release not required.

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