| |
Duquesne University | Bayer School of Natural and Environmental Sciences |
 | | Estrogens and androgens are sex steroid hormones produced by the adrenal glands and the gonads. |
 | | A third area of emphasis is the role of androgens in reproduction of female nonmammalian vertebrates. |
 | | Androgen levels of females may be as high as those in males for many species of reptiles and amphibians, suggesting that androgens may function in female reproduction. |
| www.science.duq.edu /faculty/selcer2.html (625 words) |