[yoor-uh-kahy-neys, -neyz]
noun Biochemistry, Pharmacology.
an enzyme, present in the blood and urine of mammals, that activates plasminogen and is used medicinally to dissolve blood clots.

1955–60; uro-1 + kinase

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urokinase u·ro·ki·nase (yur'ō-kī'nās, -nāz)
An enzyme that catalyzes the conversion of plasminogen to plasmin and is produced in the kidney, excreted in the urine, and used to dissolve blood clots. Also called plasminogen activator.

The American Heritage® Stedman's Medical Dictionary
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