Brachial - Definition

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The term brachial refers to anything related to the upper arm, meaning the portion of the limb situated between the joints of the shoulder and elbow. The brachial biceps muscle is the muscle of the anterior part of the upper arm and can flex the forearm onto the upper arm. The brachial triceps muscle, at the back of the arm, conversely allows the extension of the forearm. The brachial artery supplies the forearm with oxygenated blood and the brachial vein brings back deoxygenated blood to the heart. The brachial plexus is the origin of five nerve branches involved in the innervation of the upper limb.