All are paired venous sinuses except
PAIRED VENOUS SINUSES: 1.Cavernous sinus 2.Superior petrosal sinus 3.Inferior petrosal sinus 4.Transverse sinus 5.Sigmoid sinus 6.Sphenoparietal sinus 7.Petrosquamous sinus 8.Middle meningeal sinus NOTES: UNPAIRED VENOUS SINUSES: 1.Superior sagittal sinus 2.Inferior sagittal sinus 3.Straight sinus 4.Occipital sinus 5.Anterior intercavernous sinus 6.Posterior intercavernous sinus 7.Basilar plexus of veins Ref BDC volume 3,Sixth edition pg 193
Superior petorsal
Inferior petorsal
Superior sagittal
Transverse
Head and neck