False-colour SEM of human nerve cell in intestine

False-colour SEM of human nerve cell in intestine

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Credit: DON FAWCETT/SCIENCE PHOTO LIBRARY

Caption: False-colour scanning electron micrograph (SEM) of a human multipolar nerve cell (neuron) from the myenteric plexus of the intestine. At centre, a single cell body is seen, with branching processes (nerve fibres) extending from it. These branched fibres are dendrites which form synapse junctions with nerve fibres from other neurons. A network of such fibres is seen behind the cell body. Dendrites receive incoming stimuli as nerve impulses, and transport these impulses to the cell body which may issue a response. Nerve responses are transmitted down a single axon nerve fibre (not seen here). In this way, the myenteric plexus controls processes of digestion in the intestine.

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Keywords: anatomy, cells, dendrite, false-coloured, human body, intestine, multipolar, myenteric, myenteric plexus, nerve, nerve cell, nerve plexus, nervous, neurone, plexus, system

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