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nephridium
[ nuh-frid-ee-uhm ]
noun
Zoology.
plural nephridia
- 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.
nephridium
/ ɪˈڰɪɪə /
noun
- a simple excretory organ of many invertebrates, consisting of a tube through which waste products pass to the exterior
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Derived Forms
- Աˈ徱, adjective
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Other Word Forms
- Ա·i· adjective
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Word History and Origins
Origin of nephridium1
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Word History and Origins
Origin of nephridium1
C19: New Latin: little kidney
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Example Sentences
Examples have not been reviewed.
Genital funnel. h, “Head kidney,” with second nephridium just below it. i, Intestine. l.m,
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In the male there are a right and a left protrusible penis in every genital segment, into which opens the nephridium and a sperm-sac.
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Male pore. n, Nephridium. o.m,
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Near this and less advanced into the branchial chamber is the single renal organ or nephridium r with its opening to the exterior r′.
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The most important fact about them is that they disappear, and are in no way connected with the typical nephridium of the adult.
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