Arteria collateralis ulnaris superior is a medical term that refers to a major artery in the upper arm called the superior ulnar collateral artery. This artery plays a crucial role in the blood supply to the elbow joint. While there may not be specific synonyms for this particular term, it can be understood as a part of the greater network of arteries in the upper arm responsible for providing oxygenated blood to various structures. These arteries include the brachial artery, radial artery, ulnar artery, and their various branches. The importance lies in recognizing the significance of this particular artery and its contribution to the functioning of the elbow joint.