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motor nerve |
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motor nerveIn anatomy, any nerve that transmits impulses from the central nervous system to muscles or organs. Motor nerves cause voluntary and involuntary muscle contractions, and stimulate glands to secrete hormones. 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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Multimodal afferent input is integrated at various levels of the central nervous system, resulting in efferent processing for the coordinated firing of multiple alpha motoneurons and their corresponding muscle fibers. Sexual stimuli may be recognized nonconsciously; autonomic responses as well as motor programs may be activated by efferent messages from implicit sexual memory. Neurotrophins modulate survival, differentiation and apoptosis of peripheral afferent and efferent neurons, and specifically control the expression of genes that encode the precursors of substance P and other peptide neurotransmitters. |
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efferent