头部损伤颅骨的结构非常坚硬,便于容纳和保护大脑。大脑本身处于液体(脑脊液)之中,脑脊液相当于大脑的减震器并为大脑提供应营养,脑脊液贯穿于大脑和脊柱,将脊髓包含在其中。头部损伤可以是轻微的划伤或青肿,也可以是脑震荡、颅骨骨折或者颅内或脑内出血从而使大脑受到压迫。头 Head injury The structure of the skull is very hard, easy to accommodate and protect the brain. The brain itself is in the fluid (cerebrospinal fluid), the cerebrospinal fluid is equivalent to the brain’s shock absorbers and provides nutrition for the brain, cerebrospinal fluid throughout the brain and spine, the spinal cord is contained therein. Head injuries can be minor scratches or bruises, as well as concussions, skull fractures, or intracranial or intracerebral hemorrhages that put the brain under pressure. head