Nephrology

Nephrology (from Greek" nephros" "kidney", combined with the suffix "-logy", "the study of") is a specialty of medicine and pediatric medicine that about the kidneys. It is the study of normal kidney function and kidney disease, the preservation of kidney health, and the treatment of kidney disease, from diet and medication to renal replacement therapy (dialysis and kidney transplantation).
The term "nephrology" was first used in about 1960. Before then, the specialty was usually referred to as "kidney medicine."