The function of the nephron and the formation of urine

The prime function of the kidney is to excrete nitrogenous waste products of metabolism while conserving nutrients and maintaining salt and water homeostasis. The basic functional unit of the kidney is the nephron. This article explains the purpose of each portion of the nephron and the transport systems and hormones involved in the normal function of the nephron in the formation of urine. The article includes a discussion of commonly used drugs that affect nephron function.