nephridium
noun
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.
nephridia
-
pluralof nephridium.plural
The grammatical form denoting more than one person, place, thing, or idea.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Flame cells and nephridia in worms perform excretory functions and maintain osmotic balance.
From Textbooks ● Jun. 9, 2022
A pair of nephridia is present on each segment of the earthworm.
From Textbooks ● Jun. 9, 2022
Some terrestrial invertebrates, including annelids and mollusks, produce urine in nephridia.
From Textbooks ● Jan. 1, 2018
Typically, body fluid enters nephridia and becomes more concentrated as it moves through the tubes.
From Textbooks ● Jan. 1, 2018
In both, the nephridia are all alike; there are no jaws; the prostomium rarely has processes.
From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" by Various
