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Gray ramus communicans
Scheme showing structure of a typical spinal nerve. 1. Somatic efferent. 2. Somatic afferent. 3,4,5. Sympathetic efferent. 6,7. Sympathetic afferent.
Latin	rami communicantes grisei
Gray's	subject #208 920
System
MeSH	[1]
Diagram of the course and branches of a typical intercostal nerve. (Rami communicantes labeled at center.)

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

They contain unmyelinated postganglionic sympathetic fibers.

Additional imagesEdit

Deep and superficial dissection of the lumbar plexus.

Thoracic portion of the sympathetic trunk.

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See alsoEdit

• White ramus communicans

External linksEdit

• Dictionary at eMedicine gray+rami+communicantes
• Atlas of anatomy at UMich n3a6p1 - "Autonomic Connections of the Spinal Cord"
• Overview and diagram

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

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