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.
Origin of nephridium
1Other words from nephridium
- ne·phrid·i·al, adjective
Words Nearby nephridium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use nephridium in a sentence
Portion of nephridium of the hindermost leg of Peripatus capensis, seen in longitudinal and vertical section.
The Works of Francis Maitland Balfour, Volume IV (of 4) | Francis Maitland BalfourThe most important fact about them is that they disappear, and are in no way connected with the typical nephridium of the adult.
There are thus substantial reasons for believing that the nephridium grows backwards from a funnel as does the coelomoduct.
D, Optical section of a branch of the nephridium of Nephthys scolopendroides.
Externally, the nephridium opens by a vesicle, as in many Oligochaetes whose lumen is intercellular.
British Dictionary definitions for nephridium
/ (nɪˈfrɪdɪəm) /
a simple excretory organ of many invertebrates, consisting of a tube through which waste products pass to the exterior
Origin of nephridium
1Derived forms of nephridium
- nephridial, adjective
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
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