Brachial Plexus

The large network of nerve fibers which distributes the innervation of the upper extremity. The brachial plexus extends from the neck into the axilla. In humans, the nerves of the plexus usually originate from the lower cervical and the first thoracic spinal cord segments (C5-C8 and T1), but variations are not uncommon.

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Tree Number(s): A08.800.800.720.050

MeSH Unique ID: D001917

Entry Terms:

• Plexus, Brachial

See Also:

• Thoracic Outlet Syndrome
• Brachial Plexus Neuropathies

All MeSH Categories
Anatomy Category
Nervous System
Peripheral Nervous System
Peripheral Nerves
Spinal Nerves
Brachial Plexus
Median Nerve
Musculocutaneous Nerve
Radial Nerve
Ulnar Nerve