Nephridium
INVERTEBRATE ORGAN WHICH OCCURS IN PAIRS AND PERFORMS A FUNCTION SIMILAR TO THE VERTEBRATE KIDNEY (REMOVING METABOLIC WASTES FROM AN ANIMAL'S BODY)
Metanephridium; Protonephridia; Nephridia; Metanephridia; Protonephridium; Biology: Protonephridium; Nephtridium; Segmental organ; Micronephridia; Protonephridial system
The nephridium (plural nephridia) is an invertebrate organ, found in pairs and performing a function similar to the vertebrate kidneys (which originated from the chordate nephridia). Nephridia remove metabolic wastes from an animal's body.