Gray ramus communicans


Gray ramus communicans

Infobox Anatomy
Name = PAGENAME
Latin = ramus communicans griseus nervi spinalis
GraySubject = 208
GrayPage = 920


Caption = Scheme showing structure of a typical spinal nerve. 1. Somatic efferent. 2. Somatic afferent. 3,4,5. Sympathetic efferent. 6,7. Sympathetic afferent.


Caption2 = Diagram of the course and branches of a typical intercostal nerve. (Rami communicantes labeled at center.)
System =
MeshName =
MeshNumber =
DorlandsPre = r_02
DorlandsSuf = 12689524
Each spinal nerve receives a branch, gray ramus communicans, from the adjacent ganglion of the sympathetic trunk.

They contain unmyelinated postganglionic sympathetic fibers.


=Additional

ee also

* White ramus communicans

External links

*
* - "Autonomic Connections of the Spinal Cord"
* [http://137.222.110.150/calnet/ANS/page2.htm Overview and diagram]


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Look at other dictionaries:

  • gray ramus communicans — n RAMUS COMMUNICANS (b) …   Medical dictionary

  • ramus communicans — ramus com·mu·ni·cans kə myü nə .kanz n, pl rami com·mu·ni·can·tes kə .myü nə kan .tēz any of the bundles of nerve fibers connecting a sympathetic ganglion with a spinal nerve and being divided into two kinds: a) one consisting of myelinated… …   Medical dictionary

  • gray ramus — n RAMUS COMMUNICANS (b) …   Medical dictionary

  • ramus communicans griseus nervi spinalis — [TA] gray communicating branch of spinal nerve: one of the two types of communicating nerve branches between a sympathetic ganglion and a spinal nerve; these branches are gray (unmyelinated) and carry postganglionic impulses back to the spinal… …   Medical dictionary

  • White ramus communicans — Infobox Anatomy Name = PAGENAME Latin = ramus communicans albus nervi spinalis GraySubject = 208 GrayPage = 920 Caption = Scheme showing structure of a typical spinal nerve. 1. Somatic efferent. 2. Somatic afferent. 3,4,5. Sympathetic efferent. 6 …   Wikipedia

  • Communicans — is a Latin word meaning communicating . It is most commonly used in medical or biological terminology. The rami communicans are connective spinal nerves that attach to the ganglion of the sympathetic trunk. The two branches of the nerves are… …   Wikipedia

  • communicans — Communicating; connecting or joining. [L. pres. p. of communico, pp. atus, to share with someone, make common] * * * communicans see GRAY RAMUS COMMUNICANS, RAMUS COMMUNICANS, WHITE RAMUS COMMUNICANS * * * adj. communicating or connecting. The… …   Medical dictionary

  • Ramus — In anatomy, a branch, such as a branch of a blood vessel or nerve. For example, the ramus acetabularis arteriae circumflexae femoris medialis is the branch of an artery that goes to the socket of the hip joint. The plural of ramus is rami. * * *… …   Medical dictionary

  • Rami communicans — Infobox Nerve Name = PAGENAME Latin = rami communicantes nervorum spinalium GraySubject = GrayPage = Caption = Scheme showing structure of a typical spinal nerve. 1. Somatic efferent. 2. Somatic afferent. 3,4,5. Sympathetic efferent. 6,7.… …   Wikipedia

  • branch — An offshoot; in anatomy, one of the primary divisions of a nerve or blood vessel. A b.. See ramus, artery, nerve, vein. SYN: ramus (1) [TA]. accessory meningeal b. SYN: pterygomeningeal artery …   Medical dictionary


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