#teras__tera__monster  (medicine) a grossly malformed and usually nonviable fetus
  supertype:  #fetus__fetu__foetus  an unborn or unhatched vertebrate in the later stages of development showing the main recognizable features of the mature animal
  part:  #acardia  congenital absence of the heart (as in the development of some monsters)
  part:  #acephalia__acephaly__acephalism  absence of the head (as in the development of some monsters)

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