椎间盘()前纵韧带()后纵韧带() ["A．缓冲外力对脊柱和颅的震动","B．限制脊柱过度侧屈","C．防止椎间盘向前突出和限制脊柱过度后伸","D．防止椎间盘向后突出和限制脊柱过度前屈","E．防止椎间盘向后突出和限制脊柱过度后伸"]
外激活途径
椎体钩外侧有()椎间孔前内侧壁为()椎间孔后外侧壁为() ["A．椎体钩","B．椎间关节","C．棘突","D．椎动脉、椎静脉及交感神经丛","E．横突后结节"]
异常纤维蛋白原血症
颈髓位于()下段胸髓位于()骶段脊髓位于() ["A．与相应的椎骨平面相差1节","B．与相应的椎骨平面相差2节","C．与相应的椎骨平面相差3节","D．胸椎间","E．胸椎～腰间"]
骶管裂孔平()两髂后上棘连线平()两侧髂嵴最高点的连线平()
