2. Steroids secreted by adrenal cortex(cortisol and aldosterone) ovaries(estrogen and progesterone) testes( testosterone) placenta(estrogen and progesterone) 21CH Pregnenolone 20匚 3B 16 15 H 5~711 2. Steroids secreted by adrenal cortex (cortisol and aldosterone), ovaries (estrogen and progesterone), testes (testosterone), placenta (estrogen and progesterone)