title: The nature of the endocrine system. Part 7: the sex hormones.
mesh_terms: D002869:Chromosome Aberrations; D025063:Chromosome Disorders; D012734:Disorders of Sex Development; D005260:Female; D012739:Gonadal Steroid Hormones / Q000378:metabolism*; D006801:Humans; D007006:Hypogonadism; D007246:Infertility; D008297:Male; D011085:Polycystic Ovary Syndrome; D013737:Testis / Q000002:abnormalities
chemical_list: D012739:Gonadal Steroid Hormones