title: Evolution of gonadotropin structure and function.
mesh_terms: D000596:Amino Acids / Q000032:analysis; D000663:Amphibians / Q000502:physiology*; D000818:Animals; D001681:Biological Assay / Q000379:methods; D005075:Biological Evolution; D001717:Birds / Q000502:physiology; D002241:Carbohydrates / Q000032:analysis; D055598:Chemical Phenomena; D002621:Chemistry; D005260:Female; D005640:Follicle Stimulating Hormone / Q000302:isolation & purification / Q000502:physiology*; D006801:Humans; D007986:Luteinizing Hormone / Q000302:isolation & purification / Q000502:physiology*; D008297:Male; D010053:Ovary / Q000254:growth & development / Q000378:metabolism; D010060:Ovulation; D012098:Reproduction; D012104:Reptiles / Q000502:physiology*; D012756:Sheep / Q000502:physiology*; D013091:Spermatogenesis; D013256:Steroids / Q000096:biosynthesis; D013737:Testis / Q000254:growth & development / Q000378:metabolism
chemical_list: D000596:Amino Acids; D002241:Carbohydrates; D013256:Steroids; D007986:Luteinizing Hormone; D005640:Follicle Stimulating Hormone