Location: between two layers of the dura mater.
Function: Drain deoxygenated blood from the brain.
Names: Paired and unpaired dural venous sinus.
Paired dural venous sinus-
1. Cavernous sinus
2. Superior petrosal sinus
3. Inferior petrosal sinus
4. Transverse sinus
5. Sigmoid sinus
Unpaired dural venous sinus-
1. Superior sagittal sinus
2. Inferior sagittal sinus
3. Straight sinus
4. Occipital sinus