Ovarian follicle activation can be defined as primordial follicles in the ovary moving from a quiescent (inactive) to a growing phase. The primordial follicle...

folliculogenesis. In biology, folliculogenesis is the maturation of the ovarian follicle, a densely packed shell of somatic cells that contains an immature...

mounting levels of estrogen, which is released by the antral follicle (a mature ovarian follicle) into the blood circulation. Peak levels of estrogen are...

immature ovarian follicles in the ovary. In early (small) antral follicles, FSH is the major survival factor that rescues the small antral follicles (2–5 mm...

part of the ovarian cycle for most vertebrates. In women, this event occurs at the end of the follicular phase, when the ovarian follicles rupture and...

high in calories. Leptin receptor activation inhibits neuropeptide Y and agouti-related peptide (AgRP), and activates α-melanocyte-stimulating hormone...

The follicle-stimulating hormone receptor or FSH receptor (FSHR) is a transmembrane receptor that interacts with the follicle-stimulating hormone (FSH)...

conditions. Ovaries are the site of development and breakdown of ovarian follicles which secrete hormones and oocytes. Oocytes are immature eggs and...

uterine and ovarian cycles. In females, the positive feedback loop between estrogen and luteinizing hormone help to prepare the follicle in the ovary...

primordial follicles suggesting a blockade of primordial follicle activation. This may provide a viable method of contraception which protects the ovarian reserve...

"Drug-free in-vitro activation of follicles and fresh tissue autotransplantation as a therapeutic option in patients with primary ovarian insufficiency"....

ovarian follicles (this stage follicle is also known as a Graafian follicle or antral follicle) for entry into the menstrual cycle. These follicles,...

vitro maturation (IVM) is the technique of letting the contents of ovarian follicles and the oocytes inside mature in vitro. It can be offered to women...

in the germinal epithelium, which gives rise to the development of ovarian follicles, the functional unit of the ovary. Oogenesis consists of several sub-processes:...

concentrations and leading to shedding of the endometrium and another round of ovarian follicle selection. During the follicular phase in the menstrual cycle, the...

Gonadal streaks can replace the tissues of testes, resembling ovarian stroma absent of follicles. 46,XY gonadal dysgenesis can remain unsuspected until delayed...

release is through inhibition of these GABA neurons. Rupture of the ovarian follicle at ovulation causes a drastic reduction in estrogen synthesis and a...

Ovarian stem cells are oocytes formed in ovarian follicle before birth in female mammals. They do not form post-natally, and are depleted throughout reproductive...

the follicle to progress past the primary stage of development. In vitro exposure of mammalian ovarian tissue to GDF9 promotes primary follicle progression...

ovary, it is surrounded by a spherical collection of cells known as an ovarian follicle. Just before ovulation, the primary oocyte completes meiosis I to form...

(March 2008). "A new model of reproductive aging: the decline in ovarian non-growing follicle number from birth to menopause". Hum. Reprod. 23 (3): 699–708...

hormone (GnRH) is a releasing hormone responsible for the release of follicle-stimulating hormone (FSH) and luteinizing hormone (LH) from the anterior...

contain follicles or oocytes obtained from ovarian tissue cryopreservation, as well as other ovarian cells to provide growth factors. Isolated follicles are...

throughout the menstrual cycle. Ovarian contribution of peripheral T, A and DHEA-S reaches maximum levels at mid-cycle, whereas ovarian contribution to peripheral...

heat" in British English). Under regulation by gonadotropic hormones, ovarian follicles mature and estrogen secretions exert their biggest influence. The...

cells. They are estrogen secreting tumours and present as large, complex, ovarian masses. These tumours are part of the sex cord–gonadal stromal tumour or...

the maturation of ovarian follicles. Primordial germ-cells (PGC’S) undergo meiosis leading to the formation of primordial follicles. At birth, meiosis...

placenta. Follicle-stimulating hormone (FSH) stimulates the ovarian production of estrogens by the granulosa cells of the ovarian follicles and corpora...

Increased FSH levels cause the growth of more ovarian follicles, and subsequently rupture of follicles resulting in ovulation. Ovulation occurs most often...

ovulation is the ovulatory process in which the maturing ovarian follicles secrete ovarian steroids to generate pulsatile GnRH (the neuropeptide which...