Profunda Brachii Artery: Key to Arm's Blood Supply
A medical update: The profunda brachii artery, a key vessel in the arm, has been in the spotlight. It descends along the humerus, accompanied by the radial nerve, and supplies blood to the deltoid muscles. Its branch, the radial collateral artery, also plays a crucial role in supporting arm health and functionality.
The profunda brachii runs within the radial sulcus, closely accompanied by the radial nerve. It originates from both the posterior and lateral segments of the brachial artery, below the teres major muscle. This artery provides vital branches to the deltoid muscles, ensuring their proper functioning.
One of its significant branches is the radial collateral artery. This artery originates from the profunda brachii, also known as the deep brachial artery. It travels behind the humerus, the sole bone of the upper arm, supplying blood to the surrounding tissues. The radial collateral artery terminates by dividing into two branches, one for the front and one for the back of the arm, ensuring comprehensive blood supply to the arm.
The profunda brachii and its branch, the radial collateral artery, are integral to the arm's vascular system. They work together to ensure adequate blood supply to the muscles and tissues, supporting overall arm health and functionality.
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