urine
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Introduction
Aqueous fluid filtered from the blood & processed in the kidney, stored in the urinary bladder & eliminated throught the urethra.
Also see urinalysis
Uses
- as a mordant to help prepare textiles, especially wool, for dyeing
- manufacture of gunpowder
- agricultural fertlizer
- survival:
- the US Army Field Manual recommends against drinking urine for survival even when there is no other fluid available
- drinking urine tends to worsen, rather than relieve dehydration due to the salts in it
Function
- elimination of soluble waste products of metabolism
- regulation plasma electrolytes
- regulation of plasma osmolality
- elimination of excess body fluid
Physiology
- urine is formed in the kidneys through a process of glomerular filtration with subsequent resorption & secretion in the renal tubules
More general terms
More specific terms
Additional terms
- oliguria
- polyuria
- urinalysis (UA)
- urinary tract
- urine chemistry test
- urine culture
- urine toxicology
- urologic disease
References
- ↑ Wikipedia: Urine http://en.wikipedia.org/wiki/Urine