In the ovary, Estrogens from granulosa cells are secreted into follicular fluid: [Estrogen] is very high in ovarian follicular fluid Steroid Egg highly specialized A possible function is maternal mRNA production in the maturing oocyte.
It wouldnât be a list of Arizonaâs most beautiful spots without the Grand Canyon. The canyon is more than 270 miles in circumference, a mile deep, and up to 15 miles wide.
Getting There. Las Vegas and Phoenix are the closest major cities to the North and South rims, respectively. You can save money by flying into these cities, but they're too far from the canyon to stay. Flagstaff, Williams, and Tusayan (all in Arizona) and Kanab (in Utah) are better choices for lodging near the Grand Canyon. By Plane.