nephridium
nephridium defined in 1951 year
nephridium - nephridium;nephridium - Organ present in many invertebrates (Platyhelmin-thes, Nemertea, Rotifera, Annelida, larvae of some Mollusca) and in amphioxus. Probably excretes, and helps to control water content of body. Consists of a tube of ectodermal origin opening to the exterior at one end. The other end may be closed (protone-phridium) with flame cells opening into it; or it may open into the coelom. A nephridium may combine with a coelomoduct forming a nephromixium.
near nephridium in Knolik
| neotype | home letter "N" start from "NE" | nephron |
definition of word "nephridium" was readed 189 times