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Nephridium meaning
[nuh-frid-ee-uh m]
Definitions of nephridium is:
  • noun plural nephridium
    the excretory organ of many invertebrates, consisting of a tubule with one end opening into the body cavity and the other opening into a pore at the body surface.
  • noun nephridium
    (in many invertebrate animals) a tubule open to the exterior that acts as an organ of excretion or osmoregulation. It typically has ciliated or flagellated cells and absorptive walls.
  • noun nephridium
    a simple excretory organ of many invertebrates, consisting of a tube through which waste products pass to the exterior