The posterior circumflex humeral artery is a specific artery in the human body that supplies blood to the shoulder joint. While there are no direct synonyms for this term, other related terms may include the posterior humeral circumflex artery, posterior shoulder artery, or humeral circumflex artery. However, it is important to use the correct anatomical term when discussing medical conditions or treatments related to this artery. This artery can be involved in conditions such as rotator cuff tears or shoulder dislocations, and appropriate terminology is essential for accurate communication between medical professionals.