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ganglion |
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ganglion: 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. . ganglionAggregate of nerve-cell bodies outside the central nervous system (CNS). The spinal ganglion contains the nerve-cell bodies of the nerve fibres that carry impulses toward the CNS (afferent neurons in dorsal root ganglia) or away from it (efferent neurons in ventral root ganglia). 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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| 3% of cases) that, in most cases, is painless and bilateral, affecting one or all cervical ganglion chains. Hadley and Dale Purves have examined mouse nerve cells on the surface of a cluster of cells, called the superior cervical ganglion, located in the animal's neck. Preganglionic sympathetic fibers originate in the first and second thoracic spinal nerves, synapse in the superior cervical ganglion with postganglionic sympathetic fibers, and travel along the external carotid artery and the facial artery to the sweat glands. |
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cervical ganglion
