A common blood test, the blood urea nitrogen (BUN) test reveals important information about how well your kidneys and liver are working. A BUN test measures the amount of urea nitrogen that's in your blood. 1  Your liver produces ammonia â which contains nitrogen â after it breaks down proteins used by your body's cells.  The nitrogen combines with other elements, such as carbon, hydrogen and oxygen, to form urea, which is a chemical waste product.
Top Definition. Blad. Blad/blud/blood, blad being the london pronounciation of the word, is not a ''chav'' word. It actually comes from jamaica and comes from the meaning of brother, of part of ones blood line, saying that someone is close to them.op Definition. Blad. Blad/blud/blood, blad being the london pronounciation of the word, is not a ''chav'' word. It actually comes from jamaica and comes from the meaning of brother, of part of ones blood line, saying that someone is close to them.
The definition of blatant is to be very forward, loud or conspicuous. A man wearing a wedding ring telling a woman he's not married is an example of a blatant lie. disagreeably loud or boisterous; clamorous. glaringly conspicuous or obtrusive: blatant ignorance.