Akademik

Brachial plexus

A bundle of nerves beginning in the back of the base of the neck and extending through the axilla (armpit). The brachial plexus is formed by the union of portions of the fifth through eighth cervical nerves and the first thoracic nerve from the spinal cord. Damage to the brachial plexus can affect nerves supplying the arm and chest.

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brachial plexus n a complex network of nerves that is formed chiefly by the lower four cervical nerves and the first thoracic nerve, lies partly within the axilla, and supplies nerves to the chest, shoulder, and arm

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a network of nerves, arising from the spine at the base of the neck, from which arise the nerves supplying the arm, forearm and hand, and parts of the shoulder girdle. See also radial nerve.

Medical dictionary. 2011.