The accessory obturator nerve, also known as the nerve to obturator internus, is a small nerve that innervates the obturator internus muscle in the pelvic area. When this nerve is damaged, individuals may experience pain or weakness in the hip or groin area. Synonyms for accessory obturator nerve include nervus accessorius obturatoris, accessory nerve to obturator internus muscle, and obturator internus nerve. It's important for medical professionals to be familiar with these synonyms in order to accurately diagnose and treat patients who are experiencing issues related to this nerve. Understanding the various terms for this nerve can also help individuals better understand their own medical conditions.