#blood_serum__bloodserum__serum  watery fluid of the blood that resembles plasma but contains fibrinogen
  supertype:  liquid_body_substance__bodily_fluid__body_fluid__humor__humour  the liquid parts of the body
  substance:  serum_albumin  serum_globulin  opsonin
  substance of:  blood
  subtype:  antiserum  blood serum containing antibodies against specific antigens; provides immunity to a disease
  subtype:  milk_whey__whey  the serum or watery part of milk that is separated from the curd in making cheese

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