Ventricles Ventricles irregularly shaped spaces deep within the brain 2 lateral ventricles third ventricle cerebral aqueduct fourth ventricle

Production and Flow of Cerebrospinal Fluid fluid that is filtered out of blood that circulates throughout spinal cord and brain

filtered from blood by choroid plexus in the lateral ventricles -network of capillaries filtered from blood by choroid plexus in the lateral ventricles third ventricle cerebral aqueduct fourth ventricle subarachnoid space around cord and brain returns to blood seeps into the thru into thru tiny openings into via veins in the brain