A.lies between dura matter and arachnoid
B.up to subarachnoid space in the skull by the foramen magnum
C.down the the height of the fifth sacral vertebral
D.terminal cistern is formed by the space below the second sacral vertebral
E.the fluid in it can communicate with that in the center canal of spinal cord directly

A.成人脊髓頸1～4節(jié)段與同序數(shù)椎體相對應(yīng)
B.頸5～8和胸1～4節(jié)段與同序數(shù)椎體上一個相對應(yīng)
C.胸5～8節(jié)段與同序數(shù)椎體上兩個相對應(yīng)
D.胸9～12節(jié)段與同序數(shù)椎體上三個相對應(yīng)
E.腰1～5節(jié)段與第8～10胸椎體相對應(yīng)