brachial plexus

brachial plexus

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

Origin:
1855–60

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American Heritage
Medical Dictionary

brachial plexus n.
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
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