#gnathion  the most inferior point of the mandible in the midline
  supertype:  craniometric_point  a landmark on the skull from which craniometric measurements can be taken
  part of:  lower_jaw__lowerjaw__mandible__mandibula__submaxilla__lower_jawbone__lowerjawbone__jawbone__jowl  the lower jawbone in vertebrates; it is hinged to open the mouth
     part of:  jaw  the part of the skull of a vertebrate that frames the mouth and holds the teeth
        part of:  skull  the bony skeleton of the head of vertebrates
           part of:  head__caput  the upper or front part of the body in animals; contains the face and brains; "he stuck his head out the window"
              part of:  animal__animate_being__animatebeing__beast__brute__creature__fauna  a living organism characterized by voluntary movement
           part of:  axial_skeleton__axialskeleton  the part of the skeleton that includes the skull and spinal column and sternum and ribs
              part of:  endoskeleton  the internal skeleton; bony and cartilaginous structure (especially of vertebrates)

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