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nephridium

[ nuh-frid-ee-uhm ]
/ nəˈfrɪd i əm /
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noun, plural ne·phrid·i·a [nuh-frid-ee-uh]. /nəˈfrɪd i ə/. Zoology.
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.
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Origin of nephridium

From New Latin, dating back to 1875–80; see origin at nephr-, -idium

OTHER WORDS FROM nephridium

ne·phrid·i·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use nephridium in a sentence

British Dictionary definitions for nephridium

nephridium
/ (nɪˈfrɪdɪəm) /

noun plural -ia (-ɪə)
a simple excretory organ of many invertebrates, consisting of a tube through which waste products pass to the exterior

Derived forms of nephridium

nephridial, adjective

Word Origin for nephridium

C19: New Latin: little kidney
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for nephridium

nephridium
[ nə-frĭdē-əm ]

n. pl. ne•phrid•i•a (-ē-ə)
The embryonic excretory organ from which the kidney develops.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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