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| Description: Neurons conduct electrical impulses by membrane potential changes in regions of the plasma membrane cell. The cell body contains the nucleus and most of the cellular machinery. The dendrites receive signals from the axons of other neurons The axon transmits signals via the synaptic termini, which communicate to the dendrites of other neurons or to muscle cells. Along the axon are Schwann cells, which envelop the axon in layers of an insulating myelin membrane. The Schwann cells are separated by nonmyelinated regions called the nodes of Ranvier. Picture Stats: Views: 242 Filesize: 114.23kB Height: 837 Width: 274 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=34350 |