Gonads/Steroid Hormones

The gonads (testes & ovaries) are the main source of…

Sex steroid hormones: Testosterone & Estradiol (Estrogen)

FSH and LH from the anterior pituitary trigger the….

gonads to make either testosterone or estradiol

Everyone has the capability to produce….?

Androgens or Estrogens

What is the name of the regulate the conversion of steroid hormones? 

Enzymes 

What cells in testes in males secrete androgens?

Interstitial Cells (primarily testosterone)

Testosterone 

promotes the formation of sperm & maintain secondary sex characteristics 

What cells in ovaries in the females that secrete androgens?

Thecal folliculi (outer cells of the ovarian follicle)

What cells in the female that converts androgens to estrogens?

Follicular granulosa cells

Estrogen (Estradiol)

maintains secondary sex characteristics

Progesterone

Steroid hormone & prepares the uterus for pregnancy