title: Reflections on the attainment of puberty in the rat: have circadian signals a role to play in its onset?
mesh_terms: D000818:Animals; D001921:Brain / Q000502:physiology; D002940:Circadian Rhythm; D004958:Estradiol / Q000097:blood; D005246:Feedback; D005260:Female; D005640:Follicle Stimulating Hormone / Q000097:blood; D007986:Luteinizing Hormone / Q000097:blood; D008297:Male; D009929:Organ Size; D010053:Ovary / Q000254:growth & development; D010902:Pituitary Gland / Q000502:physiology; D011388:Prolactin / Q000097:blood; D051381:Rats / Q000502:physiology*; D012741:Sexual Maturation; D013737:Testis / Q000033:anatomy & histology / Q000254:growth & development / Q000378:metabolism; D013739:Testosterone / Q000097:blood
chemical_list: D013739:Testosterone; D004958:Estradiol; D011388:Prolactin; D007986:Luteinizing Hormone; D005640:Follicle Stimulating Hormone