#dilatation__distension  the state of being stretched beyond normal dimensions
  supertype:  #physiological_state__physiologicalstate__physiological_condition__physiologicalcondition  the condition of the body or bodily functions
  subtype:  #ectasia__ectasis__ectasi  dilatation or distension of a hollow organ
     subtype:  #lymphangiectasia__lymphangiectasis  dilatation of a lymph vessel
     subtype:  #alveolar_ectasia  abnormal enlargement of the air sacs in the lungs
  subtype:  #varicocele  dilatation of the veins associated with the spermatic cord in the testes

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