title: John Hunter, A.A. Berthold, and the origins of endocrinology.
mesh_terms: D000818:Animals; D002645:Chickens; D004704:Endocrinology / Q000266:history*; D006066:Gonads / Q000637:transplantation; D049671:History, 18th Century; D049672:History, 19th Century; D008297:Male; D013564:Sympathetic Nervous System / Q000502:physiology; D013737:Testis / Q000637:transplantation; D014184:Transplantation, Homologous