cavernous sinus

(redirected from sinus cavernosus)
Also found in: Dictionary, Thesaurus, Medical, Wikipedia.

cavernous sinus

[′kav·ər·nəs ′sī·nəs]
(anatomy)
Either of a pair of venous sinuses of the dura mater located on the side of the body of the sphenoid bone.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.