#radius.arm_bone__radiu  the outer and slightly shorter of the two bones of the human forearm
  supertype:  arm_bone__armbone  a bone in the arm
  part of:  forearm  the part of the superior limb between the elbow and the wrist
     part of:  arm  a human limb; technically the part of the superior limb between the shoulder and the elbow but commonly used to refer to the whole superior limb
        part of:  human__man__homo__human_being__humanbeing  any living or extinct member of the family Hominidae
        part of:  body__organic_structure__organicstructure__physical_structure  the entire physical structure of an organism (especially an animal or human being); "he felt as if his whole body were on fire"

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