The nephridium (plural nephridia) is an invertebrate organ, found in pairs and performing a function similar to the vertebrate kidneys (which originated...

protonephridia, Hatschek's nephridium is a large unpaired excretory structure found within Branchiostoma virginiae. The nephridium, along with its collection...

nephridia, which produce either ammonia or uric acid as a waste product. The nephridium also plays an important role in maintaining water balance in freshwater...

excretion is a nephridium. The most primitive gastropods retain two nephridia, but in the great majority of species, the right nephridium has been lost...

A nephridiopore is part of the nephridium, an excretory organ found in many organisms, such as flatworms and annelids. Polychaetes typically release their...

excretory system, the nephridium is central, tending to the right side of the body, as a thin dark layer of glandular tissue. The nephridium is anterior and...

between one and four pairs of tracheae. The excretory system includes a nephridium and one or two pairs of Malpighian tubules. Several families of mites...

hyposphere 1 - ganglia 2 - apical tuft 3 - prototroch 4 - metatroch 5 - nephridium 6 - anus 7 - protonephridia 8 - gastrointestinal tract 9 - buccal opening...

pericardial cavity of the branchial hearts, each of which is connected to a nephridium by a narrow canal. The canal delivers the excreta to a bladder-like renal...

research of amphioxus, the anatomical terms "Hatschek's pit" and "Hatschek's nephridium" are derived. Studien über Entwicklungsgeschichte der Anneliden. Ein Beitrag...