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By the end of the follicular (or proliferative) phase of the thirteenth day of the menstrual cycle, the cumulus oophorus layer of the preovulatory follicle will develop an opening, or stigma, and excrete the oocyte with a complement of cumulus cells in a process called ovulation.
The follicular phase, also known as the preovulatory phase or proliferative phase, [1] is the phase of the estrous cycle (or, in primates [2] for example, the menstrual cycle) during which follicles in the ovary mature from primary follicle to a fully mature graafian follicle.
18 sty 2022 · The pre-ovulatory period is the phase of the menstrual cycle in which follicular development occurs that will lead to an ovarian follicle becoming the so-called dominant follicle. This dominant follicle contains the oocyte that will be released into the fallopian tubes with ovulation.
30 sty 2012 · The distinct cellular compartments in the preovulatory follicle — the oocyte, cumulus granulosa cells, mural granulosa cells, and theca cells — have dramatically different but strictly coordinated responses to the hormonal and other signals controlling ovulation.
12 wrz 2022 · The follicular phase of the female menstrual cycle involves the maturation of ovarian follicles, preparing them for release during ovulation. During the same period, changes occur in the endometrium, leading to the follicular phase being referred to as the proliferative phase.
11 maj 2017 · Pre-antral follicular development includes the primary to secondary follicle transition and the development of secondary follicles to the per-antral stage. When follicles leave the resting pool, the granulosa cells become cuboidal and begin to express markers of cell proliferation.
Key molecular and cellular events associated with primordial and preantral stages of follicle development are described. The chapter then provides an overview of antral follicle development, which is subdivided to consider the morphological changes and the role of granulosa and theca cells in steroidogenesis, along with development of the oocyte.
