noun, plural ne·phrid·i·a [nuh-frid-ee-uh] /nəˈfrɪd i ə/. Zoology.
Words nearby nephridium
OTHER WORDS FROM nephridiumne·phrid·i·al, adjective
Examples from the Web for nephridia
Among the Terebelloidea there is a remarkable differentiation of the nephridia into two series.
The addition of a primitive vascular system and a pair of nephridia, or excretory organs, is first met with in the Nemertines.The Last Link|Ernst Haeckel
The function of the nephridia is to carry off waste matter from the fluid which fills the body-cavity.Elementary Zoology, Second Edition|Vernon L. Kellogg
The nephridia are specialized into two series, as in the last-mentioned worms.
It had apparently the perivisceral cavity and nephridia of the schematic worm, and a circulatory system.The Whence and the Whither of Man|John Mason Tyler