Urine
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Description
A clear amber liquid (mammals, aquatic species) or grayish semisolid (birds, reptiles) excretion of metabolic waste from vertebrates. In mammals, urine is formed in the kidneys. It is a collection of water-soluble by-products of protein metabolism (Urea, creatinine, Uric acid, ammonia, etc.) mixed with salts and pigments. Urine, or sig water, has been used in dyeing and tanning.
Synonyms and Related Terms
sig water; moè (Ces.); urin (Dan., Sven.); Urin (Deut.); orina (Esp.); urine (Fr., Ned.); urina (It., Port.); mocz (Pol.);
Resources and Citations
- Lotta Rahme, Leather: Preparation and Tanning by Traditional Methods, The Caber Press, Portland, OR 2001.
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- Encyclopedia Britannica, http://www.britannica.com Comment: "urine" [Accessed April 12, 2002].
- Wikipedia: http://en.wikipedia.org/wiki/Urine (Accessed Mar. 1, 2006)