ureotelic
(adjective)
 animals that secrete urea as the primary nitrogenous waste material
Examples of ureotelic in the following topics:
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Osmoregulators and Osmoconformers- Sharks are "ureotelic" animals that secrete urea to maintain osmotic balance.
 
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Nitrogenous Waste in Terrestrial Animals: The Urea Cycle- Because they secrete urea as the primary nitrogenous waste product, they are called ureotelic animals.