n.指纹三角; 三射

axial triradius → 轴三叉
digital triradius → 指三叉
palmar t triradius → 掌轴三叉t
distal displacement of axial triradius → 轴三角远侧移位
distal axial triradius → 远侧轴三角
distal displacement axial triradius → 释义轴三角远侧移位