Brachial Plexus

Brachial Plexus

The brachial plexus is a network of nerves formed by the ventral rami of C5-T1 spinal nerves. It provides motor and sensory innervation to the upper limb.

Organization

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• Roots (C5-T1)

• Trunks (upper, middle, lower)

• Divisions (anterior and posterior)

• Cords (lateral, posterior, medial)

• Branches (terminal nerves)

Major Terminal Branches