#ulna__elbow_bone__elbowbone  the inner and longer of the two bones of the human forearm
  supertype:  #arm_bone__armbone  a bone in the arm
  part of:  #forearm
  part:  #olecranon_process__olecranonproces__olecranon  process of the ulna that forms the outer bump of the elbow and fits into the fossa of the humerus when the arm is extended

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