Noun excretory organ has 1 sense
  1. excretory organ, urinary organ - an organ that separates waste substances from the blood and discharges them
    --1 is a kind of internal organ, viscus
    --1 is a part of
     urogenital system, urogenital apparatus, urinary system, urinary apparatus, genitourinary system, genitourinary apparatus, systema urogenitale, apparatus urogenitalis
    --1 has particulars: flame cell; kidney
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