给出列出的词根和短句的含义。 如果无法构造该术语,请使用医学词典查找含义。 A patient with suspected inflammation of the covering of the brain was afraid of or sensitive to bright light . The physician performed a spinal puncture and withdrew some spinal fluid for analysis. The cell count showed increased numbers of white blood cells , elevated protein and decreased glucose, consistent with a bacterial etiology. The culture and bacterial antigen test were negative. Root word for brain ( ) Root word for covering of brain ( ) Construct the medical term that means: Inflammation of the covering of the brain ( )