Hirnhautentzündung
äge v. krooniline ajukestade põletik, ajukestapõletik, ajukelmepõletik, inflammation of the membranes that cover the brain and spinal cord, inflammation of the meninges and especially of the pia mater and the arachnoid; specifically: a disease marked by inflammation of the meninges that is either a relatively mild illness caused by a viru