Sigmoid sinus
Template:Short description Template:Short description
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| Sigmoid Sinus | |
|---|---|
| Lua error in package.lua at line 80: module 'Module:InfoboxImage/data' not found. Dural veins. ("Pars sigmoid" labeled at lower right.) | |
| Details | |
| Source | Transverse sinus |
| Drains to | Internal jugular vein |
| Identifiers | |
| Latin | sinus sigmoideus |
| Anatomical terminology | |
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The sigmoid sinuses (sigma- or s-shaped hollow curve), also known as the Script error: No such module "Lang"., are paired dural venous sinuses within the skull that receive blood from posterior transverse sinuses.
Structure
The sigmoid sinus is a dural venous sinus situated within the dura mater. The sigmoid sinus receives blood from the transverse sinuses, which track the posterior wall of the cranial cavity, travels inferiorly along the parietal bone, temporal bone and occipital bone, and converges with the inferior petrosal sinuses to form the internal jugular vein.[1] Template:Rp
Each sigmoid sinus begins beneath the temporal bone and follows a tortuous course to the jugular foramen, at which point the sinus becomes continuous with the internal jugular vein.
Function
The sigmoid sinus receives blood from the transverse sinuses, which receive blood from the posterior aspect of the skull. Along its course, the sigmoid sinus also receives blood from the cerebral veins, cerebellar veins, diploic veins, and emissary veins.[1] Template:Rp
References
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- ^ a b Page Module:Citation/CS1/styles.css has no content.Drake, Richard L.; Vogl, Wayne; Tibbitts, Adam W.M. Mitchell; illustrations by Richard; Richardson, Paul (2005). Gray's anatomy for students (Pbk. ed.). Philadelphia: Elsevier/Churchill Livingstone. ISBN 978-0-443-06612-2.
External links
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