短語詞組短語medulla dorsal horn 延髓背角superficial dorsal horn 背角spinal dorsal horn neurons 脊髓背角神經(jīng)元Spinal cord dorsal horn 脊髓背角medullary dorsal horn 延髓背角the spinal dorsal horn 脊髓背角dorsal horn suction 背角抽吸dorsal horn cells 後角細胞spinal dorsal horn cells 脊髓後角神經(jīng)細胞 返回 dorsal horn