资料来源 : pyDict

身体前方的,臀或腿内侧的

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Preaxial \Pre*ax"i*al\, a. (Anat.)
   Situated in front of any transverse axis in the body of an
   animal; anterior; cephalic; esp., in front, or on the
   anterior, or cephalic (that is, radial or tibial) side of the
   axis of a limb.