Fig 3. Superior view of the sellar region and its related bonę struć-tures. The arrow indicates the Dorellos channel region and the yel-low tracę indicates the passage ofthe abducens nerve. Its passage is subsequent to clivus in fossa posterior. passing the Dorellos channel. its intracavernous passage and the ticket for the superior orbital fis-surę to direct itself to the lateral straight muscle in orbit.