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brachial plexus

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noun Anatomy.
  1. a network of nerves in the armpits and neck, innervating the shoulders, arms, and hands.

Origin of brachial plexus

First recorded in 1855–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
brachial plexus in Medicine

brachial plexus

n.
  1. A network of nerves located in the neck and axilla, composed of the anterior branches of the lower four cervical and first two thoracic spinal nerves and supplying the chest, shoulder, and arm.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.