Kidney function tests evaluate how well your kidneys are functioning by measuring the levels of creatinine and blood urea ...

The use of blood urea nitrogen (BUN) concentration as a measure of renal function is even less reliable, because BUN levels can be affected by the presence of gastrointestinal bleeding or by the ...

per liter. Blood was analyzed for urea nitrogen by the direct Nesslerization method of Reinhold. 11 Normal values are 8 to 18 mg. per 100 ml. Serum and urine osmolalities were determined by the ...

Blood tests: Blood tests such as serum creatinine and blood urea nitrogen (BUN) are commonly used to assess kidney function.

IN 1939, it was suggested by one of us 1 that the amide-nitrogen of glutamine was a source of urea-nitrogen and that urea formation was paralleled by a continuous re-synthesis of glutamine.

Each nephron is made of a tubule and is responsible for 'cleaning' the blood by removing urea and excess water and mineral ions. Blood passes through the nephron inside the kidneys, there are many ...