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sympathetic trunk

sympathetic trunk in Medicine

sympathetic trunk n.
Either of two long ganglionated nerve strands along the vertebral column that are connected to each spinal nerve by gray matter rami and that receive fibers from the spinal cord through white matter rami connecting with the thoracic and upper lumbar spinal nerves.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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