sigmoid sinus


The S-shaped dural sinus lying on the mastoid process of the temporal bone and the jugular process of the occipital bone.

Nearby words

  1. sigmatism,
  2. sigmoid,
  3. sigmoid artery,
  4. sigmoid colon,
  5. sigmoid flexure,
  6. sigmoid vein,
  7. sigmoidectomy,
  8. sigmoiditis,
  9. sigmoido-,
  10. sigmoidopexy

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