nephridium definition

  • noun:
    • A tubular excretory organ in many invertebrates, such as for instance mollusks and earthworms.
    • The excretory organ of a vertebrate embryo that the kidney develops.
    • a tubular excretory organ in some invertebrates
    • the embryonic excretory organ that develops into the kidney
    • A segmental tubule; one of several tubules regarding the ancient urinogenital organs; a segmental organ. See Illust. under loeven's larva.
    • The intimate or renal organ of mollusks, corresponding toward kidneys for the vertebrates, having an excretory and depurative workplace; the so-called organ of Bojanus.

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  • Definition for "nephridium"
    • A tubular excretory organ in many invertebrates, such…
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