ALL meanings of nephridium
ne·phrid·i·um
N n - noun plural nephridium the excretory organ of many invertebrates, consisting of a tubule with one end opening into the body cavity and the other opening into a pore at the body surface. 1
- noun nephridium (in many invertebrate animals) a tubule open to the exterior that acts as an organ of excretion or osmoregulation. It typically has ciliated or flagellated cells and absorptive walls. 1
- noun nephridium a simple excretory organ of many invertebrates, consisting of a tube through which waste products pass to the exterior 0
- noun nephridium a waste-discharging tubule with an external excretory pore, found in many invertebrates, as in worms, mollusks, etc. 0
- noun nephridium any of the excretory tubules of the pronephros of a vertebrate embryo 0