Anatomy [A] » Nervous System [A08] » Peripheral Nervous System » Peripheral Nerves » Spinal Nerves » Brachial Plexus » Radial Nerve
Description
A major nerve of the upper extremity. In humans the fibers of the radial nerve originate in the lower cervical and upper thoracic spinal cord (usually C5 to T1), travel via the posterior cord of the brachial plexus, and supply motor innervation to extensor muscles of the arm and cutaneous sensory fibers to extensor regions of the arm and hand. MeSH
Hierarchy View
Hierarchy Tree View
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