ventricular system. cross section of a human brain with ventricles and cerebrospinal fluid, monro-kellie doctrine, homeostasis

abdomen accumulation adults anatomical anatomy arachnoid biology blockage body brain canal catheter cavity central cerebral cerebrospinal choroid cord csf disease drainage edema fluid headaches hematoma human hydrocephalus illustration inflammation intracranial lumboperitoneal medical medicine mri neurosurgeon neurosurgical older patient peritoneal pressure shunt size skull spinal subarachnoid surgery surgical system valve ventricle ventricles ventriculoperitoneal