#occipital_protuberance__occipitalprotuberance  prominence on the outer surface of the occipital bone
  supertype:  bulge__bump__hump__gibbosity__gibbousness__gibbousnes__prominence__protuberance__protrusion__extrusion__excrescence  something that bulges out or is protuberant or projects from a form
  part of:  occipital_bone__occipitalbone  a saucer-shaped membrane bone that forms the back of the skull
     part of:  cranium__braincase__brainpan  the part of the skull that encloses the brain
        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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