Week 3 Lecture 1
Pulsatility—body releases GnRH pulse every few minutes. Testosterone released in the body in
several spurts, regulates homeostasis
Testosterone: a steroid hormone, an androgen.
Produced by gonads (testis & ovaries) also a small amount produced by adrenal glands
Higher levels in blood and saliva of men compared to women, but women are more
sensitive to effects of T levels
Has anabolic effects (protein tissue building)
Organizational effects—testosterone in 2 trimester
For women, the drop-off rate of estradiol levels after menopause is rather steep, especially
compared to men who experience a small decline in testosterone. Women do not experience
much change in testosterone levels during menopause.
Testosterone can influence behavior through androgen and estrogen receptors.
Enzymes can convert testosterone to estrogen (estradiol) or dihydrotestosterone
Testosteronevia aromatase (enzyme)estrogenestroge