urine

Aqueous fluid filtered from the blood & processed in the kidney, stored in the urinary bladder & eliminated throught the urethra. Also see urinalysis 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 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

Related

oliguria polyuria urinalysis (UA) urinary tract urine chemistry test urine culture urine specimen collection urine toxicology urologic disease

General

extracellular compartment (extracellular space) body fluid waste product

References

- Wikipedia: Urine http://en.wikipedia.org/wiki/Urine