And this process takes place about a month in the female human organism. So this process is known as the menstrual cycle. So let's zoom in on our zygote, on our ovary, we basically get the following diagram. So this diagram basically describes the process by which our follicles mature into our ovum, into our excel. So we begin with these tiny little dots known as the primary follicles. They mature into the oocide, then they become the secondary follicle.