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
A pair of nephridia is present within the mantle cavity.
From Textbooks ● Jan. 1, 2015
Respiration is facilitated by a pair of ctenidia, whereas excretion and osmoregulation are brought about by a pair of nephridia.
From Textbooks ● Jan. 1, 2015
They also agree in the general structure of the nephridia.
From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" by Various
