Ap then release hormones into capillaries inside the p. p. that allows hormones into the circulation process. But those lack it show slight preference to spending more time with novel female) We can insert mutation in that cousin that adds vasopressin receptor- so the insertion shifts back the beh somewhat (seen on the right) Especially one that is responsive to fsh: so a particular follicle can become gonadotropin dependent during the cycle around 15-20 of them will continue to develop under influence of fsh and lh. Menstrual cycle: 1- ovarian cycle- link between hypo and pit gland, 2- menstrual cycle- changes in uterus itself like thickening of endometrial lining. It is connected to ovarian cycle: can vary 26-36 days. 2- ovarian cycle- 2 parts- the follicular phase- day 6-14, marked by maturation of follicles and ends with ovulation which os release of a single gamete.