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splanchnic nerve
Thesaurus| Noun | 1. | splanchnic nerve - any of several nerves of the sympathetic part of the autonomic nervous system that innervate viscera and blood vesselsnerve, nervus - any bundle of nerve fibers running to various organs and tissues of the bodysympathetic nervous system - originates in the thoracic regions of the spinal cord; opposes physiological effects of the parasympathetic: reduces digestive secretions; speeds the heart; contracts blood vessels |
splanchnic nerve
splanchnic nerve[′splaŋk·nik ¦nərv] (neuroscience) A nerve carrying nerve fibers from the lower thoracic paravertebral ganglions to the collateral ganglions. splanchnic nerve
splanch·nic nerveone of the nerves supplying the viscera. There are three groups of splanchnic nerves: cardiopulmonary splanchnic nerves that convey postsynaptic sympathetic fibers to thoracic viscera; abdominopelvic nerves that convey presynpatic sympathetic fibers to the sympathetic ganglia of the abdominopelvic cavity; and pelvic splanchnic nerves that convey presynaptic parasympathetic fibers to the pelvic ganglia. See also entries under the individual listings for the splanchnic nerves mentionedsplanch·nic nerve (splangk'nik nĕrv) One of the nerves supplying the viscera. There are three groups of splanchnic nerves: cardiopulmonary splanchnic nerves that convey postsynaptic sympathetic fibers to thoracic viscera; abdominopelvic nerves that convey presynpatic sympathetic fibers to the sympathetic ganglia of the abdominopelvic cavity; and pelvic splanchnic nerves that convey presynaptic parasympathetic fibers to the pelvic ganglia. splanchnic nerveAny one of the paired, purely autonomic nerves from the thoracic sympathetic ganglia. The major splanchnic nerves are the greater, lesser, and least (smallest, renal) splanchnic nerves, which carry preganglionic sympathetic axons from ganglia 6–10 of the thoracic sympathetic trunk to the prevertebral ganglia (celiac, superior mesenteric, and aorticorenal ganglia) in the abdomen. See also: nervesplanchnic nerve
Related to splanchnic nerve: greater splanchnic nerve, pelvic splanchnic nerve, Sympathetic chainWords related to splanchnic nervenoun any of several nerves of the sympathetic part of the autonomic nervous system that innervate viscera and blood vesselsRelated Words- nerve
- nervus
- sympathetic nervous system
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