#clot__coagulum  a lump of material formed from the content of a liquid
  supertype:  clod__ball__glob__lump__clump__chunk  a compact mass; "a ball of mud caught him on the shoulder"
  subtype:  thrombus  a blood clot formed within a blood vessel and remaining attached to its place of origin
  subtype:  embolus__embolu  an abnormal particle (e.g. an air bubble or part of a clot) circulating in the blood

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