#arm_bone__armbone  a bone in the arm
  supertype:  #long_bone__os_longum  in vertebrate animals: a long cylindrical marrow-containing bone of a limb
  part of:  #arm  #endoskeleton
  subtype:  #humerus__humeru  bone extending from the shoulder to the elbow
  subtype:  #radius.arm_bone__radiu  the outer and slightly shorter of the two bones of the human forearm
  subtype:  #ulna__elbow_bone__elbowbone  the inner and longer of the two bones of the human forearm

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