Sinus petrosus superior, also known as superior petrosal sinus, refers to a small vein located within the skull. This vein plays a crucial role in draining blood from the cavernous sinus. Although there aren't many direct synonyms for this specific term, there are related terms that refer to similar anatomical structures. These include "superior petrosal sinus", "dural sinus", or simply "petrosal sinus". These synonyms may be used interchangeably in medical literature to describe the same vein. It's important to note that these terms are specific to the field of medicine and may not have common synonyms outside of this context.