Dural Venous Sinuses.
View is with the skull cap removed and the cranial cavity exposed.

A. Sphenoparietal

B. Intercavernous

C. Sigmoid

D. Occipital

E. Confluence

F. Basilar

G. Transverse

H. Superior Petrosal

I. Inferior Petrosal

J. Cavernous

K. Superior Sagittal