#stoma  a mouth or mouthlike opening (especially one created by surgery on the surface of the body to create an opening to an internal organ)
  supertype:  orifice__opening__porta  an aperture or hole opening into a bodily cavity; "the orifice into the aorta from the lower left chamber of the heart"
  part of:  colostomy  a surgical operation that creates an opening from the colon to the surface of the body to function as an anus
  part of:  tracheostomy__tracheotomy  a surgical operation that creates an opening into the trachea with a tube inserted to provide a passage for air; performed when the pharynx is obstructed by edema or cancer or other causes

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