A nitrogen-containing substance normally cleared from the blood by the kidney into the urine. Diseases that compromise the function of the kidney often lead to increased blood levels of urea, as measured by the blood urea nitrogen (BUN) test. Urea is of major historical significance. It was the first organic chemical compound ever synthesized. The [..]

A substance formed by the breakdown of protein in the liver. The kidneys filter urea out of the blood and into the urine. Urea can also be made in the laboratory. A topical form of urea is being studi [..]

[Gk. ouron, urine] A soluble form of nitrogenous waste excreted by mammals and most adult amphibians.

The product of protein being metabolized; can be found in blood or urine.

the chief nitrogenous end-product of protein metabolism, formed in the liver from amino acids and from ammonia compounds; found in urine, blood, and lymph. Also see BUN - blood urea nitrogen.

compound found in the urine of animals, 1806, Latinized from French urée (1803), from Greek ouron "urine" (see urine).

A source of nitrogen used in fertilizers. utility map:

Simple chemical, originally found in urine, used extensively in fertilizers for plants. Formula and structure: NH2

, above.

 A source of nitrogen used in fertilizers.

A nitrogen-containing waste product excreted in the urine of many vertebrates uredium

Principal waste product in urine; a nitrogen-containing by-product of protein metabolism.

the main excretion product of protein breakdown in mammals; it also occurs in some plants. Uric acid is the excretory product of birds, reptiles and insects. Urine is the fluid, containing urea or uri [..]

A nitrogen-containing substance normally cleared from the blood by the kidney into the urine. Diseases that compromise the function of the kidney often lead to increased blood levels of urea, as measured by the blood urea nitrogen (BUN) test.

(yoo-REE-uh) a waste product found in the blood that results from the normal breakdown of protein in the liver. Urea is normally removed from the blood by the kidneys and then excreted in the urine.

(n) the chief solid component of mammalian urine; synthesized from ammonia and carbon dioxide and used as fertilizer and in animal feed and in plastics

  A soluble nitrogenous waste compound excreted by the kidney in the urine.

A waste product of protein digestion and metabolism.

Source: Synthetic Key Properties: Humectant Found In: Style Sea Salt Spray

Urea, or carbamide, is an organic compound with the chemical formula (NH2) 2-C=O. Although mainly employed as a nitrogen fertilizer, it is also used in cattle and sheep feed and as an agent to reduce [..]

Illustrated Glossary of Organic Chemistry Urea (carbamide): A functional group containing a carbonyl group bonded to two nitrogen atoms, or a molecule containing this functional group. The simplest me [..]

A compound formed in the liver from Ammonia produced by the Deamination of Amino Acids. It is the principal end product of protein catabolism and constitutes about one half of the total urinary solids [..]

A compound formed in the liver from ammonia produced by the deamination of amino acids. It is the principal end product of protein catabolism and constitutes about one half of the total urinary solids [..]

A waste product of the breakdown of protein that is excreted by the kidneys.

A waste product of the body that is normally excreted by the kidneys into the urine. If the kidneys are working less effectively then the level of urea in the bloodstream increases. The level of urea [..]

a nitrogenous compound excreted in the urine.

Chief waste products of the body. The kidneys flush the waste from the body in the form of urea, which is in the urine.

Urea is a natural substance related to urine. Professor Gibson in Australia calls it the Cinderella drug and in his many years of practice he has never known a patient have an attack of Ménière’s dise [..]

A soluble, weakly basic, nitrogenous compound used in the manufacture of resins and plastics.

the principal nitrogenous product of the metabolism of proteins that forms in the liver from amino acids and from compounds of ammonia and that is found in urine and other body fluids