1. Objective:To investigate the anatomical features of lumbosacral nerve roots in epidural space to provide the anatomical basis for selective posterior rhizotomy (SPR).

目的:探究腰骶部脊神经根在硬膜外间隙的解剖情况,为临床SPR手术提供解剖学依据。
2. Objective:To investigate the anatomical features of lumbosacral nerve roots in epidural space to provide the anatomical basis for selective posterior rhizotomy (SPR).

目的:探究腰骶部脊神经根在硬膜外间隙的解剖情况,为临床SPR手术提供解剖学依据。
3. Main structures: miscellaneous-spot structure, star-scattered structure, laminated structure, plate structure, lenticular structure, micro-vein structure, local fragmentation and wrinkle structure.

主要构造:斑杂状构造,星散浸染状构造,纹层状构造,板状构造,透镜状构造,微脉状构造,局部可见碎裂状、皱纹状构造。
5. The biologist injected coloring matter into anatomical specimens for the study of the structure.

那位生物学家往解剖标本中注入有色物质以供结构研究。