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cavernous sinus

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Medical Dictionary

Main Entry: cavernous sinus
Function: noun
: either of a pair of large venous sinuses situated in a groove at the side of the body of the sphenoid bone in the cranialcavity and opening behind into the petrosal sinuses
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

cavernous sinus n.
Either of a pair of dural sinuses on either side of the sella turcica, connected by anastomoses in front of and behind the pituitary gland.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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