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cavernous sinus in Medicine

cavernous sinus

n.
  1. 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.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.