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Gray ramus communicans
Gray799.svg
Scheme showing structure of a typical spinal nerve. 1. Somatic efferent. 2. Somatic afferent. 3,4,5. Sympathetic efferent. 6,7. Sympathetic afferent.
Gray819.png
Diagram of the course and branches of a typical intercostal nerve. (Rami communicantes labeled at center.)
Latin ramus communicans griseus nervi spinalis
Gray's subject #208 920

Each spinal nerve receives a branch, gray ramus communicans, from the adjacent ganglion of the sympathetic trunk.

They contain unmyelinated postganglionic sympathetic fibers.

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This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained within it may be outdated.

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