Hydrocephalus

特許 権利維持 Hydrocephalus (from Greek hydro-, meaning "water", and ceph, meaning "head") is a medical condition in which there is an abnormal accumulation of cerebrospinal fluid (CSF) in the ventricles of the brain. This causes increased intracranial pressure inside the skull and may cause progressive enlargement of the head if it occurs in childhood, convulsion, tunnel vision, and mental disability.