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Synapse nerve junction, TEM

Synapse nerve junction, TEM

P360/0483

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Credit

THOMAS DEERINCK, NCMIR / SCIENCE PHOTO LIBRARY THOMAS DEERINCK, NCMIR / SCIENCE PHOTO LIBRARY

Caption

Synapse. Coloured transmission electron micrograph (TEM) of a synapse, a junction between two nerve cells, in the brain. At a synapse an electrical signal is transmitted from one cell to the next in only one direction. The nerve cells are green, with the pre-synaptic cell at left and the post-synaptic cell at right. Mitochondria, supplying the cells with energy, are blue. When an electrical signal reaches a synapse it triggers the release of neurotransmitter chemicals from vesicles (red) at the end of the presynaptic cell. The neurotransmitters cross a microscopic gap and bind to receptors on the post- synaptic cell. Magnification: 50,000x when printed 10 centimetres across.

Release details

Model release not required. Property release not required.

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