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A reddish urinary pigment, considered as the substance which gives to the urine of rheumatism its characteristic color. It also causes the red color often seen in deposits of urates.

A body identical with indigo blue, occasionally found in the urine in degeneration of the kidneys. It is readily formed by oxidation or decomposition of indican.

Urinary hæmatin; -- applied to the normal coloring matter of the urine, on the supposition that it is formed either directly or indirectly (through bilirubin) from the hæmatin of the blood. See Urochrome, and Urobilin.

That part of medicine which treats of urine. Dunglison.

Producing, or favoring the production of, urine.

The diagnosis of diseases by inspection of urine. Sir T. Browne.

position, or oxidation, of indican. It is sometimes found in the sediment of pathological urines. It is soluble in ether or alcohol, giving the solution a beautiful red color. Also called indigrubin.

Any liquid secretion, humor, or the like, resembling water; esp., the urine.

One who professes to be able to divine diseases by inspection of the urine.

, present in muscle tissue, in the liver, spleen, pancreas, and other organs, and also in urine (in small quantities) and some urinary calculi, and in the juices of certain plants; -- so called because it leaves a yellow residue when evaporated to dryness with nitric acid. Xanthine is closely related to uric acid.…