#back__dorsum  the posterior part of a human (or animal) body from the neck to the end of the spine; "his back was nicely tanned"
  supertype:  #body_part  any part of an organism such as an organ or extremity
  part:  #saddle.body_part  #small  #latisimus_dorsi  #thoracic_vertebra  #lumbar_vertebra
  part of:  #torso__trunk__body  the body excluding the head and neck and limbs; "they moved their arms and legs and bodies"
     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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