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urine

(Encyclopedia) urine, clear, amber-colored fluid formed by the kidneys that carries metabolic wastes out of the body (see urinary system). As the blood circulates it collects excretory products from…

urinalysis

(Encyclopedia) urinalysisurinalysisy&oobreve;rˌənălˈĭsĭs [key], clinical examination of urine for the purpose of medical diagnosis. Urine is initially examined for such characteristics as color,…

bladder, urinary

(Encyclopedia) bladder, urinary, muscular sac located in the pelvis that stores urine and contracts to expel it from the body. Urine enters the bladder from the kidneys through the ureters and is…

urinary system

(Encyclopedia) CE5 Urinary system urinary system, group of organs of the body concerned with excretion of urine, that is, water and the waste products of metabolism. In humans, the kidneys are…

ureter

(Encyclopedia) ureteruretery&oobreve;rēˈtər [key], thick-walled tube that conveys urine from the kidney to the urinary bladder. It is approximately 10 in. (25.4 cm) long, with the upper half…

urethra

(Encyclopedia) urethraurethray&oobreve;rēˈthrə [key], canal in most mammals that carries urine from the bladder to the outside of the body; in the male it also serves as a genital duct. The…

uric acid

(Encyclopedia) uric aciduric acidy&oobreve;rˈĭk [key], white, odorless, tasteless crystalline substance formed as a result of purine degradation in man, other primates, dalmatians, birds, snakes…

leptospirosis

(Encyclopedia) leptospirosisleptospirosislĕpˌtəspīrōˈsĭs [key], febrile disease caused by bacteria of the genus Leptospirae. The disease may affect dogs, cattle, pigs, sheep, goats, and horses and is…

Prout, William

(Encyclopedia) Prout, William, 1785–1850, English chemist and physician. Prout's hypothesis, advanced in 1815–16, suggested that atomic weights of elements are multiples of that of hydrogen and that…