In medicine, Garrod's tetrad is a term named for British physician Archibald Garrod, who introduced the phrase "inborn errors of metabolism" in a lecture in 1908.Archibald E. Garrod. Inborn Errors of Metabolism: The Croonian Lectures Delivered Before the Royal College of Physicians of London, 1908
The tetrad comprises four inherited metabolic diseases: albinism, alkaptonuria, cystinuria, and pentosuria.
References