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nerve |
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nerve: see nervous system nervous system, network of specialized tissue that controls actions and reactions of the body and its adjustment to the environment. Virtually all members of the animal kingdom have at least a rudimentary nervous system. ..... Click the link for more information. . nerve 1. any of the cordlike bundles of fibres that conduct sensory or motor impulses between the brain or spinal cord and another part of the body 2. a large vein in a leaf 3. any of the veins of an insect's wing How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Most roots, however, innervate more than one muscle, and most muscles have multilevel innervation. Additionally, the recovery from paralytic poliomyelitis has been attributed to the sprouting of axons that innervate the muscle fibers left orphaned by the disease. A motor unit consists of a nerve and all the muscle fibers it innervates. |
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