The arachnoid villi allow cerebrospinal fluid to pass between which two of the following spaces?
The arachnoid villi are extensions of the arachnoid mater into the superior sagittal sinus. The villi allow for proper drainage of the CSF into the venous bloodstream from the subarachnoid space in which the CSF circulates. The villi are a crucial element in maintaining proper intracranial pressure and circulation of the CSF.
Choroid plexus and subdural space
Subarachnoid space and superior sagittal sinus
Subdural space and cavernous sinus
Superior sagittal sinus and jugular vein
Head & Neck