#hind_leg  the back limb of a quadruped
  supertype:  #hind_limb  a posterior leg or homologous structure in other animals
  part of:  #quadruped
  part:  #hock  tarsal joint of the hind leg of hoofed mammals; corresponds to the human ankle
  part:  #gaskin  lower part of a horse's thigh between the hock and the stifle
  part:  #stifle__knee  joint between the femur and tibia in a quadruped; corresponds to the human knee

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