👉 The term "brachial" refers to a structure or organ located in the shoulder joint, specifically the brachial plexus. This is the branch of the spinal cord that supplies the muscles and tendons of the arm. In more general terms, brachial vessels are blood vessels that supply the brain, heart, and other organs with oxygenated blood. They also carry nutrients to the limbs. The brachial plexus is a group of nerves that control the movement of