So primary Oocide undergoes meiosis one to produce the secondary Oocide as well as another cell known as a polar body. And this is the first polar body that is formed. Now, the secondary Oocide contains the majority of the cytoplasm that came from the primary Oocide but the polar body only obtained a very small amount of that cytoplasm. In fact, the polar body will essentially degenerate and the body will recycle this polar body and use its contents for other things. So basically the polar body doesn't actually develop into anything useful, it's the secondary Oicide that develops into that excel. So we have a haploid secondary Oocide found inside that secondary follicle.