What is the final structure that CSF is resorbed into?

Cerebrospinal fluid (CSF) is ultimately resorbed into the bloodstream through the arachnoid granulations, which are specifically tufts of arachnoid mater that protrude into the superior sagittal sinus. The primary role of these arachnoid granulations is to allow CSF to flow from the subarachnoid space into the venous system, particularly the superior sagittal sinus, thus facilitating the maintenance of fluid balance in the central nervous system.

The superior sagittal sinus acts as a major venous channel draining blood from the brain, and when CSF is absorbed into this sinus through the granulations, it is subsequently returned to the heart via the venous circulation. This process is crucial for ensuring that CSF is constantly replenished and that pressure in the central nervous system remains within normal limits.

While arachnoid granulations play a vital role in this absorption process, the context of the question asks specifically about the final structure receiving the CSF. Hence, the superior sagittal sinus is identified as the final destination for resorbed CSF. Other options like the cerebral aqueduct and lateral ventricles pertain to the flow and production of CSF within the ventricular system but are not