Cerebrospinal fluid is produced by the ________ and is reabsorbed by the ________.

A) choroid plexus; arachnoid granulation
B) arachnoid granulation; choroid plexus
C) dural sinus; dura mater
D) dura mater; dural sinus
E) septa pellucida; cerebral aqueduct

Choroid Plexus

Specialized plexus located within the ventricles of the brain that secretes cerebrospinal fluid.

Arachnoid Granulation

Protrusions of the arachnoid meningeal layer into the dural venous sinuses, allowing cerebrospinal fluid to return to the bloodstream.

Cerebrospinal Fluid

A clear, colorless body fluid found in the brain and spinal cord, acting as a cushion for the brain's cortex, providing basic mechanical and immunological protection to the brain inside the skull.