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25.1 MB (25.0 MB compressed)
2505 x 3508 pixels
21.3 x 29.7 cm ⏐ 8.4 x 11.7 in (300dpi)
BO VEISLAND / SCIENCE PHOTO LIBRARY BO VEISLAND / SCIENCE PHOTO LIBRARY
Brain synapse. Anatomical computer artwork of a human brain with an enlargement showing the structure of a synapse (lower right) within one of the striate bodies that make up the striatum. A synapse is the junction between two nerve cells (neurons). As the electrical signal reaches the presynaptic end of a neuron it triggers the release of neurotransmitters (dots, lower centre). These chemicals travel across the gap (synaptic cleft) between the two cells and initiate a nerve impulse in the postsynaptic neuron.
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