#ampulla.body_part  the dilated portion of a canal or duct especially of the semicircular canals of the ear
  supertype:  #body_part  any part of an organism such as an organ or extremity
  part of:  #duct__canal__channel  a bodily passage or tube conveying a secretion or other substance

No statement uses or specializes #ampulla.body_part; click here to add one.