The costosternal joint, also known as the sternocostal joint, is the joint where the ribs attach to the sternum. There are various synonyms for this joint, including the sternocostal articulation, costal cartilage articulation, and rib attachment joint. These joints are essential for the flexibility and movement of the ribcage during breathing, and any injury or inflammation in this area can cause significant discomfort. A thorough understanding of the anatomical structures and synonyms for this joint is crucial for medical professionals who work with patients experiencing pain or discomfort in the chest area. Knowing the different synonyms for this joint can also help in communication and collaboration during medical treatments.