Inherited deficiency of urocanase leads to elevated levels of urocanic acid in the urine.

Eduard Hahn has postulated that the motive for capturing and maintaining the urus in the captive state was to have available a supply, for sacrificial purposes, of the animal sacred to the lunar mother goddess worshipped over an immense area of the ancient world.

Coordinate term: bomber gap

The third type of growth derived from the sympathetic system is the chromaffine tumor, or paraganglioma, as it is often called, because of its origin from the paraganglia.