The term "fissura orbitalis superior" refers to the superior orbital fissure, a significant anatomical feature in the human skull. This opening is located in the posterior part of the orbit and serves as a passageway for important structures like nerves and blood vessels. Though specific synonyms for "fissura orbitalis superior" might be scarce, it can be referred to as the upper orbital fissure or the superior orbital cleft. These synonymous terms highlight the same structure in slightly different ways. Understanding these synonyms can aid in anatomical discussions and medical literature regarding the superior orbital fissure and its related structures.