Synonym for cavernous sinus ... <radiology> Contents: III oculomotor n., IV trochlear n., V-1 ophthalmic n. (trigeminal n.), V-2 maxillary n. (trigeminal n.), VI abducens n. Note: mandibular n. (V-3) passes through foramen rotundum ... (12 Dec 1998) ... Found on http://www.encyclo.co.uk/local/20973