B.COX, CUSTOM MEDICAL STOCK PHOTO / SCIENCE PHOTO LIBRARY B.COX, CUSTOM MEDICAL STOCK PHOTO / SCIENCE PHOTO LIBRARY
Nerve cell. Illustration of a nerve cell with the cell wall (white) peeled away to reveal the nucleus (dark grey) and cytoplasm. The cell body has branching processes called dendrites that pass information to the cell from its surroundings. At centre left is one long axon which passes information away from the cell body. The red terminals (boutons) of the dendrites are the junctions (synapses) of the nerve cell and the cells surrounding it. Bundles of microfilaments & microtubules are arranged along the cytoplasm. These form the neuronal cytoskeleton which help to transport chemical neurotransmitters.
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