Brachial Plexus: Structure, Function & Diseases
The brachial plexus is a plexus of nerves that innervates the shoulders, arms, and chest wall as part of the peripheral nervous system with three main branches. The brachial plexus is composed of anterior spinal nerves from the lowest cervical vertebrae C5-C7 and the first thoracic vertebra Th1. A few nerve fibers originating from the … Brachial Plexus: Structure, Function & Diseases