Mature graafian follicle

The genes of cell death and cellular susceptibility to apoptosis in the ovary: The Bcl-2 protein family: Recall that the production of estrogen requires both the cells of the theca interna and granulosa cells. The secondary follicles look very similar to primary follicles, except that they are larger, there are more follicular cells, and there are small accumulations of fluid in the intracellular spaces called follicular fluid nutritive fluid for the oocyte. The role of hyperinsulinemia in the pathogenesis of ovarian hyperandrogenism. Graafian Follicle The Graafian follicle is the follicular stage after the first meiotic division but before ovulation. Molecular endocrinology of hydroxysteroid dehydrogenases.
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Draw a labeled diagram of a Graafian Follicle?

Stromal cells associated with maturing follicles may acquire endocrine function and secrete estrogens. In some, the remnants of the zona pellucida may still be seen. At this time, some additional stromal cells begin to associate with the outer wall of the follicle and form an early thecal layer. These cells produce progesterone and to a lesser extent cholesterol. Expression of aromatase cytochrome P in premenopausal and postmenopausal human ovaries: At the start of each menstrual cycle a limited number of primordial follicles are triggered to develop.
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Histology Lab Notes #25

The goal of folliculogenesis is to produce a single dominant follicle from a pool of growing follicles. Nonsteroidal hormones produced by the ovary include inhibin, activin, and follistatin. The inner portion is called the medulla. User Name Password Sign In. Dissociation of endocrine and gametogenic ovarian function. This stage lasts 70—85 days. Mail us your Query and feedback at:
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Follicular maturation takes about 3 months. During primary follicle development, the granulosa cells send processes through the zona layer, where they form gap junctions with the oocyte cell membrane, or oolemma Fig. Follicular rupture and ovulation. Though in the male the presence of FSH is necessary for the maturation of…. The production of LH is….
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