沿身体后面正中即椎骨棘突所作的垂线。 维基百科：The posterior median line is a sagittal line on the posterior torso at the midline. A similar term is "vertebral line", which defined by the spinous processes.
沿身体后面正中即椎骨棘突所作的垂线。 维基百科：The posterior median line is a sagittal line on the posterior torso at the midline. A similar term is "vertebral line", which defined by the spinous processes.