Nephrology

n. study of the kidneys (Medicine)

See the article on the kidney for the anatomy and function of healthy kidneys and a list of diseases involving the kidney. Nephrology is the branch of internal medicine dealing with the study of the function and diseases of the kidney. The word nephrology is derived from the Greek word nephros, which means "kidney," and the suffix -ology, signifying "study of."
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Nephrology /ne·phrol·o·gy/ the branch of medical science that deals with the kidneys. ne·phrol·o·gy n. [more]Nephrology - Community and Resources

Noun
1. the branch of medicine concerned with the kidney - its development and anatomy and physiology and disorders
(hypernym) medicine, medical specialty

(n.)
A treatise on, or the science which treats of, the kidneys, and their structure and functions.