Nervus oculomotorius, also known as the third cranial nerve, is responsible for controlling the movement of the eye muscles, as well as the pupil's constriction and dilation. Synonyms for nervus oculomotorius include third nerve, oculomotor nerve, cranial nerve III, third cranial nerve, and simply oculomotor. Other terms related to nervus oculomotorius are oculomotor nucleus, which refers to the region in the brainstem where the nerve originates, and oculomotor palsy, a condition where the nerve is damaged or impaired, leading to vision problems and difficulty with eye movements. Understanding these synonyms and related terms is helpful for medical professionals and patients alike.