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Topic: Ovarian follicle

Related Topics

Endocrine gland

Ovary

Endocrine system

Pituitary gland

Adrenal gland

Parathyroid gland

Hormone

Hypothalamus

Oogenesis

Corpus luteum

Ovum

Egg (biology)

Thyroid gland

Thymus

Triiodothyronine

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	Ovarian Cancer - oncologychannel
		Ovarian cancer is a disease produced by the rapid growth and division of cells within one or both ovaries reproductive glands in which the ova, or eggs, and the female sex hormones are made.
		Ovarian cancer most frequently appears in women who are older than 60 (about 50% of patients are over age 65), although it may occur in younger women who have a family history of the disease.
		The ovarian arteries, which are offshoots of the abdominal aorta, furnish the ovaries and fallopian tubes with blood.
	www.oncologychannel.com /ovariancancer (1196 words)

	The Ovarian Follicle 2
		Schroll down the page to follow the follicles during their maturation from primary follicles to secondary follicles and, finally, to the corpus luteum.
		The blue arrow follows the the ovarian follicles from their maturation (from primary follicles) to their eventual demise (as the corpus luteum).
		The corpus luteum is the enlarged remnant of the secondary (Graafian) follicle following ovulation (the release of the oocyte).
	www.uoguelph.ca /zoology/devobio/210labs/ovary4.html (357 words)

	ovarian follicle
		The ontogeny of mullerian inhibiting substance in granulosa cells of the bovine ovarian follicle.
		Ovarian follicle dynamics in mice: a comparative study of three inbred strains and an F1 hybrid.
		Ovarian morphology and serum hormone markers as predictors of ovarian follicle recruitment by gonadotropins for in vitro fertilization.
	www.arclab.org /node_pages/1409.html (347 words)

	Ovarian Cysts Center
		Ovarian cysts can affect all women from the moment they enter the natal period until they reach their menopause.
		Ovarian cysts are small sacs filled with fluid, that appear on a woman's ovaries, or inside them.
		Most of the ovarian cysts are harmless and they disappear in a few months, but in some cases they can be life-threatening.
	www.ovarian-cysts-center.com (504 words)

	Ovarian follicle - Wikipedia, the free encyclopedia
		Ovarian follicles are the basic unit of female reproductive biology, they are roughly spherical aggregations of cells found in the ovary.
		Oocytes are swaddled in a layer of granulosa cells that are together enclosed in a thin layer of Extracellular matrix – the follicular basement membrane or basal lamina - to constitute the ovarian follicle.
		As ovarian follicles grow larger they become discernible to the naked eye, these large ovarian follicles are sometimes called Graafian follicles (after Regnier de Graaf).
	en.wikipedia.org /wiki/Ovarian_follicle (573 words)

	Ovulation: Lawrence L
		A follicle is said to be mature when it is endowed with an adequate population of gonadotropin receptors that are responsive to LH and/or FSH.
		The eventual rupture of a follicle is dependent on adequate degradation of the collagenous connective tissue in the follicle wall and on a modest, but essential, intrafollicular pressure of about 20 mm Hg that arises from capillary hydrostatic pressure.
		Surface Epithelium: In mature ovarian follicles, the surface epithelium is a single layer of cuboidal cells that are loosely attached to a thin basal lamina at the surface of the connective tissue (the tunica albuginea) surrounding the ovary (
	www.trinity.edu /lespey/manuscripts/encyc/encyc.html (4397 words)

	Ovarian Problems
		Ovarian cysts occur frequently and in a variety of sizes and types; they may be fluid-filled or solid.
		Corpus luteum cysts The corpus luteum is the progesterone-producing remnant of an ovarian follicle.
		Ovarian cancer is three times more common among women who have never had children, and it is less prevalent among those who have taken birth control pills; thus hormones probably play some role.
	www.drpressman.com /Library/OvarianProblems.htm (2064 words)

	Egg Donation, Egg Donors and Infertility Treatment
		Follicle Stimulating Hormone (FSH): A hormone secreted by the pituitary gland; FSH stimulates the growth and development of ovarian follicles.
		In the early stages of pregnancy continued survival of the corpus luteum (the follicle that released the egg) is totally dependent on HCG, and in turn, the survival of the pregnancy is dependent upon hormones secreted by the corpus luteum the 7th week of pregnancy.
		It is commonly used to diagnose the presence of ovarian cysts, tumors, uterine fibroids, and pregnancies.
	www.donateyoureggs.com /glossary.htm (2703 words)

	Ovarian Activity
		Oestrogen produced by the ovaries during ovarian activity causes production of mucus by the cervix and it also causes growth and shedding of the epithelial cells lining the vagina, the responses depending on the degree of ovarian activity and on the amounts of oestrogen being produced.
		When ovarian activity is absent and no oestrogen is being produced there is usually no discharge and the feeling is one of dryness which persists throughout the period of inactivity ("dry basic infertile pattern" or "dry BIP").
		Besides identifying the underlying ovarian activity and timing ovulation, cervical mucus with fertile characteristics is itself important for fertility, being necessary for maintaining the fertilizing capacity of the sperm and for their passage from the vagina through the cervix to the fallopian tubes.
	www.woomb.org /bom/science/bleeding.html (1527 words)

	Women's Surgery Group
		At the time of ovulation, the follicle (cyst) ruptures and an egg (oocyte) is released.
		When a cyst "ruptures", it is usually a follicle that has released an egg along with a few ounces of follicular fluid.
		If the follicle ruptures through a blood vessel (which is not uncommon), blood accumulates in the pelvis and is usually associated with a lot of pain.
	www.womenssurgerygroup.com /conditions/OvarianCysts/overview.asp (616 words)

	Ovulation, anovulation,infertility,fertility (Site not responding. Last check: 2007-10-26)
		Ovulation is part of a complex series of hormonal events that begins with egg recruitment and culminates with the release of the egg from the ovarian follicle.
		Ovarian function is assessed using measurements of FSH, LH, estradiol, and other hormones.
		FSH is an injectable medication that stimulates the ovarian follicles directly and is used in assisted reproductive technologies.
	infertilityspecialist.com /ovulation.html (682 words)

	Antral Follicle Counts and IVF Stimulation Response
		In my opinion, the antral follicle counts (in conjunction with female age) are by far the best tool that we currently have for estimating ovarian reserve and/or chances for pregnancy with in vitro fertilization.
		Presumably, the number of antral follicles visible on ultrasound is indicative of the relative number of microscopic (and sound asleep) primordial follicles remaining in the ovary.
		Antral follicle counts are a good predictor of the number of mature follicles that we will be able to stimulate in the woman's ovaries when we administer the injectable FSH medications that are used for in vitro fertilization.
	www.advancedfertility.com /antralfollicles.htm (2037 words)

	Glossary - Center for Applied Reproductive Science
		A functioning ovarian “cyst” containing a wall of granulosa cells which produce estrogen and nourish the oocyte (egg).
		A hormone produced by the pituitary gland which cause the ovarian follicles to grow.
		This hormone is also used as an injection in ovarian stimulation regimens to cause the final maturation of the oocyte (egg) and its follicle and eventually cause ovulation.
	www.ivf-et.com /glossary.htm (1458 words)

	eMedicine - Ovarian Insufficiency : Article by Lawrence M Nelson, MD, MBA
		Ovarian insufficiency is a failure of the ovary to function normally in a patient younger than 40 years, in its role either as an endocrine organ or as a reproductive organ.
		Ovarian autoimmunity is a well-established cause of ovarian follicle dysfunction and ovarian insufficiency.
		Ovarian imaging by ultrasound should be reserved for investigational use in cases of primary ovarian insufficiency.
	www.emedicine.com /med/topic3374.htm (6147 words)

	encyc
		At the apex of a mature follicle, where a stigma forms and the follicle ruptures, there are five different layers of cells (see Figure 1).
		Surface Epithelium: In mature ovarian follicles, the surface epithelium is a single layer of cuboidal cells that are loosely attached to a thin basal lamina at the surface of the connective tissue (the tunica albuginea) surrounding the ovary (Figure 1).
		As the apical area dissociates and the follicle wall becomes thinner, the innermost granulosa cells begin to slough from the wall and become dispersed in the follicular fluid (Figure 2).
	www.trinity.edu /lespey/ovulation/encyc/encyc.html (4409 words)

	Fertility LifeLines™ - Glossary
		A procedure used to obtain eggs from ovarian follicles for use in in vitro fertilization.
		The failure of the ovary to respond to FSH stimulation from the pituitary because of damage to or malformation of the ovary, or a chronic disease such as autoimmune disease.
		The release of the egg (ovum) from the ovarian follicle.
	www.fertilitylifelines.com /global/glossary.jsp (2182 words)

	Boston IVF - Glossary
		The portion of a woman’s cycle before ovulation during which a follicle grows and high levels of estrogen cause the lining of the uterus to grow.
		OVARIAN FAILURE – A condition involving a loss of ovarian function so that menstrual periods stop, estrogen levels drop, and follicle-stimulating hormone levels rise.
		OVULATION – The release of a mature egg from a follicle.
	www.bostonivf.com /info/glossary.cfm (3379 words)

	Clinical Trial: Ovarian Follicle Function in Patients With Premature Ovarian Failure
		Premature ovarian failure may be the result of the destruction of eggs in the ovaries.
		No proven therapy to restore ovarian function and fertility is available to patients with karyotypically normal spontaneous premature ovarian failure.
		This is a diagnostic omnibus protocol that permits baseline clinical evaluation of patients with premature ovarian failure.
	www.clinicaltrials.gov /ct/gui/show/NCT00001275 (365 words)

	Donor Egg IVF Ovarian Reserve (Site not responding. Last check: 2007-10-26)
		Ovarian reserve is a measure of "egg quality" and is evaluated during the infertility workup.
		In the donor egg process, follicle stimulating hormone is administered to the donor to induce her ovaries to produce numerous follicles, each of which contains an egg.
		The eggs are retrieved from the donor using a small "needle" passed through the vagina into each ovarian follicle, using ultrasound guidance.
	infertilityspecialist.com /donor_egg.html (401 words)

	Manipulation of Human Ovarian Function: Physiological Concepts and Clinical Consequences -- Fauser and van Heusden 18 ...
		Intrafollicular steroid concentrations as related to follicle diameter in 281 nondominant follicles punctured during various phases of the menstrual cycle (box and whisker plots; left panel), and 45 dominant follicles punctured during the late-follicular phase (right panel) obtained from 55 regularly cycling volunteers.
		Serum estradiol levels and follicle fluid estradiol and androstenedione concentrations (three follicles, 13–18 mm in diameter) from the patient and from regularly cycling controls [both nondominant (3–9 mm) and dominant (13–24 mm) follicles] are depicted in the right panel.
		In contrast, ovarian activity is significantly enhanced due to a modest but extended mid- to late follicular phase increase in FSH (effectively widening the FSH window).
	edrv.endojournals.org /cgi/content/full/18/1/71 (9071 words)

	The Mature Ovarian Follicle
		The Microscopic Anatomy of the Mature Secondary Follicle
		This shows the entire mature secondary follicle (arrows) and surrounding ovarian tissue.
		On the wall of the inner follicle, surrounding the antrum (A), there is a layer called the membrana granulosa (1) and an outer layer called the theca (2).
	www.uoguelph.ca /zoology/devobio/210labs/ovary1.html (135 words)

	Ovarian follicle development and transgenic mouse models -- Barnett et al. 12 (5): 537 -- Human Reproduction Update
		Ovarian follicle development and transgenic mouse models -- Barnett et al.
		Ovarian follicle development is a complex process that begins
		degradation of the follicle or the release of a mature oocyte
	humupd.oxfordjournals.org /cgi/content/abstract/12/5/537 (302 words)

	Ovarian Follicle Apoptosis in Bovine Growth Hormone Transgenic Mice -- Danilovich et al. 62 (1): 103 -- Biology of ...
		Ovarian Follicle Apoptosis in Bovine Growth Hormone Transgenic Mice -- Danilovich et al.
		Involvement of apoptosis in ovarian follicular atresia and postovulatory regression.
		Preantral ovarian follicles in serum-free culture: suppression of apoptosis after activation of the cyclic guanosine 3',5'-monophosphate pathway and stimulation of growth and differentiation by follicle-stimulating hormone.
	www.biolreprod.org /cgi/content/full/62/1/103 (3239 words)

	Ovarian Morphology and Serum Hormone Markers as Predictors of Ovarian Follicle Recruitment by Gonadotropins for in ...
		Ovarian Morphology and Serum Hormone Markers as Predictors of Ovarian Follicle Recruitment by Gonadotropins for in VitroFertilization -- Dumesic et al.
		Correlations between antral follicle number (A and D), serum androstenedione level (B and E), and 6-h post-OGTT insulin release (C and F) in the EFP and numbers of total and mature oocytes retrieved by IVF.
		of follicle recruitment by gonadotropins remains to be determined.
	jcem.endojournals.org /cgi/content/full/86/6/2538 (5062 words)

	Ovarian Medical Reference Medical Encyclopedia Information
		High Milk Intake May Boost Ovarian Cancer Risk
		The Lynne Cohen Foundation for Ovarian Cancer Research
		Ovarian Cancer Alliance of Oregon and Southwest Washington
	www.medicineonline.com /reference/Health/Conditions_and_Diseases/Cancer/Gynecologic/Ovarian (126 words)

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