#ball.anatomical_structure  a more or less rounded anatomical body or mass; ball of the human foot or ball at the base of the thumb; "he stood on the balls of his feet"
  supertype:  #anatomical_structure__structure__complex_body_part__bodily_structure__body_structure  a particular complex anatomical structure; "he has good bone structure"
  part of:  #manus__manu__hand__mitt__paw  the (prehensile) extremity of the superior limb; "he had the hands of a surgeon"; "he extended his mitt"
     part of:  #human__man__homo__human_being__humanbeing  any living or extinct member of the family Hominidae
     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"
  part of:  #sole.area  the underside of the foot
     part of:  #foot__human_foot__humanfoot__pes__pe  the foot of a human being; "his bare feet projected from his trousers"; "armored from head to foot"
        part of:  #human__man__homo__human_being__humanbeing  any living or extinct member of the family Hominidae
        part of:  #leg  a human limb; commonly used to refer to a whole limb but technically only the part between the knee and ankle
           part of:  #human_body__humanbody__physical_body__material_body__soma__build__figure__physique__anatomy__shape__bod__chassis__frame__form__flesh  alternative names for the body of a human being; "Leonardo studied the human body"; "he has a strong physique"; "the spirit is willing but the flesh is weak"
              part of:  #person__individual__someone__somebody__mortal__human__human_being__humanbeing__soul  a human being; "there was too much for one person to do"

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