#abomasum__fourth_stomach  the fourth compartment of the stomach of a ruminant; the one where digestion takes place
  supertype:  tummy__stomach__tum__breadbasket  an enlarged and muscular saclike organ of the alimentary canal; the principal organ of digestion
  part of:  ruminant  any of various cud-chewing hoofed mammals having a stomach divided into four (occasionally three) compartments

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