Endometriosis occurs when fragments of endometrial tissue undergo retrograde (moving backward) menstruation, resulting in displaced tissue that often attaches to the peritoneum of the pelvic cavity. These fragments respond to hormonal changes, resulting in bouts of severe pain even after menstruation has ended. Explain how the female anatomy contributes to the ability of this tissue to relocate and attach to the peritoneum.
Endometrial cells are able to penetrate the thinner wall of tissue in the uterine tubes, allowing cells to escape and deposit on the peritoneum.
Endometrial cells are able to penetrate the thinner wall of tissue between the posterior fornix of the vagina and the rectouterine pouch.
The lateral ends of the uterine tubes are open to receive ovulated oocytes. If endometrial cells migrate backward through the uterine tubes, they can escape and deposit on the peritoneum.
All of the answers are correct.