7. Semen is composed of (in general): 8. Which portion of the urethra is surrounded by the prostate gland in the male? 9. In the female, what TWO hormones encourage the release of the egg from the follicle? 10. What fetal hormone encourages the corpus luteum to remain after ovulation? 11. In the female, what is the innermost layer of the uterus (be specific)? 12. After leaving the uterus, where do sloughed-off cells of the lining go (structure)? 13. Where is Gonadotropin-Releasing Hormone produced (GnRH)? 14. The three actions of the mammary glands are:.