A segmental tubule; one of the tubules of the primitive urinogenital organs; a segmental organ. See Illust. under Loeven's larva.
(Plural: nephridia) A general term for an invertebrate excretory organ as found in the segmented worms and mollusks
(nef rid´ ee um) [Gr. nephros: kidney] • An organ which is involved in excretion, and often in water balance, involving a tube that opens to the exterior at one end.
A blood filtration and excretory organ characteristic of segmented worms.
a coiled tubule with a ciliated opening, nephridiostome, and excretory nephridiopore
One of the segmentally arranged, paired excretory tubules of many invertebrates, notably the annelids. In a broad sense, any tubule specialized for excretion and/or osmoregulation; with an external opening and with or without an internal opening.
The excretory organ in þatworms and other invertebrates; a blind-ended tubule that expels waste through an excretory pore.
Nephridia are invertebrate organs which function similarly to kidneys. They remove metabolic wastes from an animal's body. They are present in many different invertebrate lines.
