dictionary help| sigmoid sinus | medical dictionary |
The S-shaped dural venous sinus lying deep to the mastoid process of the temporal bone and immediately posterior to the petrous temporal bone; it is continuous with the transverse sinus and empties into the internal jugular vein as it passes through the jugular foramen.
Synonyms: sinus sigmoideus.
(05 Mar 2000)
sigmoidostomy, sigmoidotomy, sigmoidovesical fistula < Prev | Next > sigmoid sulcus, sigmoid veins, sigmoid volvulus
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