Medial toward the median plane of the body 内侧靠近身体正中面。
2.
There appears to be a small region on either side of the body ' s median plane ( which bisects the body vertically ) where people have trouble 这似乎显示，人体正中面（将人体垂直分割成左右两半）的两侧都有一小区死角。
3.
The sagittal planes . these are any vertical planes passing through the body parallel to the median plane . these sagittal planes divide unequally the body to right and left portions 矢状面。与正中面平行、贯穿人体的垂直面。矢状面将人体分为不对待的左、右两部分。
