Need help with a Question for a biology test about follicles!

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Describe how a follicle matures.

*Please dont use wikipedia as a reference 

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School: UC Berkeley

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 Describe how a follicle matures.

At puberty, the anterior pituitary gland secretes a greatly increased amount of FSH and the ovaries enlarge in response. During this time, primary follicles are being formed from some of the primordial follicles. As it matures, the oocyte of a primary follicle grows larger, and the follicular cells surrounding it divide actively by mitosis. The cells become organized into layers, and soon a cavity appears in the cellular mass that becomes filled with a clear follicular fluid. This fluid bathes the oocyte. This fluid-filled cavity continues to enlarge, and the oocyte is pressed to one side. Over time, the follicle reaches a diameter of ten millimeters or more and bulges outward on the surface of the ovary like a blister. The oocyte within a mature follicle is a large, spherical cell, surrounded by the zona pellucida and is enclosed by the corona radiata. As many as twenty follicles may start this process but only one reaches full development.

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