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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OTHER WORDS FROM nephridium
ne·phrid·i·al, adjectiveDictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for nephridium
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, adjectiveWord 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-frĭd′ē-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.