| Sigmoid Sinus | |
|---|---|
 Dural veins. ("Pars sigmoid" labeled at lower right.) | |
| Details | |
| Source | Transverse sinus |
| Drains to | Internal jugular vein |
| Identifiers | |
| Latin | sinus sigmoideus |
| TA98 | A12.3.05.108 |
| TA2 | 4847 |
| FMA | 50782 |
| Anatomical terminology | |
The sigmoid sinuses (sigma- or s-shaped hollow curve), also known as the pars sigmoid, are paired dural venous sinuses within the skull that receive blood from posterior transverse sinuses.