Vena Cephalica Accessoria is a medical term used to define a minor vein in the upper arm. This vein is often used by surgeons for blood transfusions, blood tests, and other medical procedures. However, there are other synonyms for this term, including the antecubital vein, median cephalic vein, and accessory cephalic vein. These synonyms refer to veins located in the same region of the upper arm as the Vena Cephalica Accessoria and are used interchangeably in medical circles. Knowing and understanding these synonyms can help medical professionals to communicate more accurately and minimise the risk of errors during medical procedures.