In the presence of one or more mature ovarian follicles, ovulation can be triggered by the administration of HCG. As ovulation ... It is heterodimeric, with an α (alpha) subunit identical to that of luteinizing hormone (LH), follicle-stimulating hormone (FSH ...
... follicles or ovarian cysts is also linked to the condition. Follicle Stimulating Hormone (FSH) is secreted from the anterior ... Patients with PT should have a uterine and ovarian volume within the normal range for their age. Pelvic ultrasounds are a ...
... terminal ovarian follicles and the uterus. PLoS ONE 8(5): e64087. Jaglarz, Mariusz K.; Tworzydlo, Waclaw; Rak, Agnieszka; ...
This tumour produces theca of follicle, a tissue normally found in the ovarian follicle. The tumour is almost exclusively ... and slightly less common than ovarian germ cell tumours in women (see Ovarian cancer). Granulosa cell tumour. This tumour ... The International Ovarian and Testicular Stromal Tumor Registry is studying these rare tumors and collecting data on them to ... They are often suspected of being malignant prior to operation, being solid ovarian tumours that tend to occur most commonly in ...
In female vertebrates, high doses of GnIH increases ovarian mass and produce follicle irregularities, such as vacuole formation ... Ovarian changes in response to GnIH administration, as well as GnIH/GnIH-R mRNA expression in granulosa cells and luteal cells ... GnIH inhibits the same signaling pathway that GnRH activates to promote follicle stimulating hormone (FSH) and luteinizing ... in different stages of the estrus cycle, implicate function in development of follicles and atresia. Stress-induced adrenal ...
Theca cells are located in the ovarian follicles and become luteinized when the ovarian follicle bursts and a new corpus luteum ... A hilar cell tumor is an androgen-producing ovarian tumor that is most commonly found in older women and often leads to the ... The dispersal of luteinized theca cells throughout the ovarian stroma-in contrast to their distribution in PCOS, in which ... Therefore, obesity increases ovarian androgen production. Additionally, obesity elevates inflammatory adipokines which leads to ...
... and caspase-3 are required for ovarian follicle loss caused by 4-vinylcyclohexene diepoxide exposure of female mice in vivo". ...
After rupture of the mature ovarian follicle, the theca interna cells differentiate into the theca lutein cells of the corpus ...
... actin cytoskeleton reorganization by dephosphorylating p190 RhoGAP in rat ovarian granulosa cells stimulated with follicle- ...
"Antral Follicle Counts, Resting Follicles, Ovarian Volume and Ovarian Reserve. Testing of egg supply and predicting response to ... In vitro fertilization, including controlled ovarian hyperstimulation. In vitro maturation is letting ovarian follicles mature ... Controlled ovarian hyperstimulation (stimulating the development of multiple follicles of the ovaries in one single cycle), has ... It is usually used in the sense of stimulation of the development of ovarian follicles to reverse anovulation or oligoovulation ...
In continuous breeders, females are sexually receptive during estrus, at which time ovarian follicles are maturing and ...
Bahamondes L; Hidalgo M; Petta CA; Diaz J; Espejo-Arce X; Monteiro-Dantas C. (2003), "Enlarged ovarian follicles in users of a ... There is a condition known as polycystic ovarian syndrome (PCOS) which causes women to miss their periods and can lead to an ... IUDs with progestogen confer an increased risk of ovarian cysts, and IUDs with copper confer an increased risk of heavier ...
... at which time ovarian follicles are maturing and ovulation can occur. Evidence of ovulation, the phase during which conception ...
It is secreted by granulose cells of the ovarian follicle and the corpus luteum, and is the primary form of circulating form of ... In pre-menopausal women, this can be achieved through surgical ovarian ablation (by oophorectomy) or chemical ovarian ...
These sizes are due to the growth needed for spermatogenesis and the development of ovarian follicles in males and females ...
Follicle-stimulating hormone (FSH) stimulates the ovarian production of estrogens by the granulosa cells of the ovarian ... such as maturation of ovarian follicles. In addition, estrogens play an important role in regulation of gonadotropin secretion ... September 2014). "Ovarian Hormone Influences on Dysregulated Eating: A Comparison of Associations in Women with versus without ... Estrogens are responsible for maturation and maintenance of the vagina and uterus, and are also involved in ovarian function, ...
... which can help quantify recruitable ovarian follicle activity, are reduced after laparoscopic ovarian drilling in women with ... After ovarian follicles and stroma are destroyed, there is a reduction in these hormone levels. The procedure results in a ... Ovarian drilling and ovarian wedge resection are treatment options to reduce the amount of androgen producing tissue in women ... Ovarian drilling has lower rates of ovarian hyperstimulation syndrome and of multi-fetal gestation. The advantages of the ...
In the subadult females, they have primarily white, translucent follicles, differentiated genital areas, and developed ovarian ... In adult females, the fully functional ovaries exhibits developing and fully developed follicles. Their eyes are larger than ...
... promotes spermatogenesis and ovarian follicle maturation. Since the isolation of gonadotropin-releasing hormone (GnRH), a ... In birds and mammals, luteinizinghormone (LH) regulates sex steroid production as well as ovulation, whereas follicle ...
Rupture of the ovarian follicle at ovulation causes a drastic reduction in estrogen synthesis and a marked increase in ... Eventually, when the follicle has fully matured, a spike in 17α-hydroxyprogesterone production by the follicle inhibits the ... human interstitial cell stimulating hormone and human follicle-stimulating hormone on ovarian weights in estrogen-primed ... With the rise in estrogens, LH receptors are also expressed on the maturing follicle, which causes it to produce more estradiol ...
Functions of BMP-15 include Promotion of growth and maturation of ovarian follicles, starting from the primary gonadotrophin- ... In women, a mutation in BMP-15 is linked to hypergonadotropic ovarian failure due to ovarian dysgenesis. In this case, the ... It is involved in folliculogenesis, the process in which primordial follicles develop into pre-ovulatory follicles. The BMP-15 ... The protein is linked to familial ovarian dysgenesis which results in hypergonadotropic ovarian failure. The importance of BMP- ...
... in post-menopausal women due to reduced estrogen levels associated with the depletion of hormone-releasing ovarian follicles. ... Decreased estrogen is a common cause of osteoporosis that can be seen in other conditions such as ovariectomy, ovarian failure ...
... the ovarian follicles reach to the number 6-7 million. At birth, the number of ovarian follicles in the ovary decline to 1-2 ... Ovarian aging is characterized by the gradual decline of the ovarian follicles number and decreasing quality of oocytes. ... Below this threshold regular ovarian cycles cannot be maintained. The quality of ovarian follicles declines with age due to the ... The follicle number decrease to 300,000-400,000 at the age of menarche. In the entire reproductive age, these follicles undergo ...
... helps to maintain ovarian follicles in their primordial state. mTOR promotes the protein synthesis required for synaptic ... pathway during chemotherapy in a mouse model prevents activation of primordial follicles, preserves ovarian function, and ... "mTORC1/2 inhibition preserves ovarian function and fertility during genotoxic chemotherapy". Proceedings of the National ...
Prolactin injections inhibit the production of gonadotropin hormone, a hormone that stimulates ovarian follicles which is ... 1935) The gross action of prolactine and follicle-stimulating hormone on the mature ovary and sex accessories of fowl. Amer. J ...
In the 1960s he also pioneered a programme that treated infertile women who had ovarian failure with his isolates of follicle- ... Butt's laboratory was among the first to isolate follicle-stimulating hormone, luteinising hormone and prolactin from the ... He pioneered the isolation and purification of several hormones, particularly follicle-stimulating hormone (FSH), from cadavers ... where their research focused on the pituitary-ovarian-uterine axis and female infertility. This was the subject of the PhD he ...
... some patients with autoimmune oophoritis may have intermittent ovarian follicle function and may ovulate spontaneously. ... In 2015 a research was done on the role of autoimmunity in premature ovarian failure. In 2014 there was an ovarian autoimmune ... Selectively attacking the developing follicles and corpus luteum with sparing of the primordial follicles. However, since it is ... Anti-ovarian antibodies are found against the ovaries, they bind to the working sites of the ovaries. According to research ...
Ovulation induction is usually used in the sense of stimulation of the development of ovarian follicles by fertility medication ... When follicles have reached an adequate size and the eggs are mature enough, an injection of the hormone hCG initiates the ... process whereby a small needle is inserted through the back of the vagina and guided via ultrasound into the ovarian follicles ... Usage of assisted reproductive technology including ovarian stimulation and in vitro fertilization have been associated with an ...
... to diagnose gynecologic cancer in infertility treatments to track the response of ovarian follicles to fertility medication (i. ... through sonographic directed transvaginal puncture of ovarian follicles in IVF. Gynecologic ultrasonography is sometimes ... e. Pergonal). However, it often underestimates the true ovarian volume. Through transvaginal sonography ovarian cysts can be ... There is consensus that women with only average risk for ovarian cancer should not be screened with this procedure for cancer. ...
... in ovarian follicles. RIP140 is part of the chain by which tumors can cause cachexia. Levels of RIP140 expression in various ... "Multiple Signaling Defects in the Absence of RIP140 Impair Both Cumulus Expansion and Follicle Rupture". Endocrinology. 146 (9 ...