The Collaborative International Dictionary
Uriniferous
Uriniferous \U`ri*nif"er*ous\, a. [Urine + -ferous.] Bearing or conveying urine; as, uriniferous tubules.
Wiktionary
uriniferous
a. conveying urine
WordNet
Usage examples of "uriniferous".
This is because the separation of waste is done in part by the Malpighian capsules and in part by the uriniferous tubules.