亚洲香蕉视频,欧美丰满熟妇XXXX,狠狠躁夜夜躁人人爽天天古典,超碰人妻在线

  Syringomyelia is progressive spinal cavity expansion caused by congenital or acquired factors. The clinical characteristics include segmental, separately parenthesis, segmental muscle atrophy. It is called syringobulbia when the syrinx is affecting the brainstem.