(comparative more nephridial, superlative most nephridial)
- Of or pertaining to a nephridium
Variant of nephridium
- a waste-discharging tubule with an external excretory pore, found in many invertebrates, as in worms, mollusks, etc.
- any of the excretory tubules of the pronephros of a vertebrate embryo
Origin of nephridiumModern Latin ; from Classical Greek nephridion, diminutive of nephros, kidney: see nephro-