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Dissertations / Theses on the topic 'Gonadotrophin secretion'

Author: Grafiati

Published: 4 June 2021

Last updated: 10 February 2022

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1

Honaramooz, Ali. "Neuroendocrinology of gonadotrophin secretion in prepubertal heifers." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/NQ37889.pdf.

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2

Durnin, Anne Theresa. "Secretory heterogeneity among anterior pituitary gonadotrophs." Thesis, University of Oxford, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.358632.

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3

Wood, Sara C. "Ovarian regulation of pituitary gonadotrophin secretion in domestic ruminants." Thesis, University of Reading, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.333527.

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4

Buckler, Helen Margaret. "Gonadotrophin, inhibin and sex steroid secretion in disorders of ovulation." Thesis, University of Nottingham, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.305188.

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5

Dodson, S. E. "Reproductive endocrinology of the heifer from birth to the peripubertal period." Thesis, University of Nottingham, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.376401.

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6

Lewis, C. E. "Factors involved in control of gonadotrophin secretion by the anterior pituitary gland." Thesis, University of Oxford, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.375271.

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7

Forsdike, Rachel Anne. "In utero development of sexually dimorphic gonadotrophin-releasing hormone (GnRH) secretion in sheep." Thesis, University of Cambridge, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.620917.

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8

Castillo, R. J. "Bioassay and isolation of bovine ovarian inhibin and its effects on gonadotrophin secretion." Thesis, University of Reading, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.233158.

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9

Evans, Neil Price. "The regulation of gonadotrophin secretion following divergent selection for pituitary responsiveness to GnRH." Thesis, University of Edinburgh, 1991. http://hdl.handle.net/1842/19730.

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Divergent selection based on the LH response to a 5μg dose of GnRH, has created two lines of sheep which differ in their ability to release gonadotrophins in response to a GnRH challenge in both male and female lambs. Significant correlated between line differences have also been reported in female reproductive performance. The aim of this project was to investigate the regulation of gonadotrophin secretion in animals from the two lines, and to elucidate the primary site of the selected difference/s. Physiological studies of adult ewes and prepubertal ram lambs demonstrated that despite simila

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10

Lujan, Marla Elaine. "The effects of stimulating endogenous corticotrophin-releasing hormone on gonadotrophin secretion in rhesus monkeys." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/MQ63331.pdf.

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11

Mann, George Edward. "The role of inhibin and oestradiol in the control of gonadotrophin secretion in the ewe." Thesis, University of Edinburgh, 1991. http://hdl.handle.net/1842/19978.

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The main aims of the studies described in this thesis were firstly to determine the source of inhibin from the ovary of the sheep, and secondly to investigate the physiological role of inhibin in the control of gonadotrophin production, particularly that of FSH. The source of ovarian inhibin production was investigated by measuring inhibin secretion directly from the ovary <i>in vivo</i>, and by individual follicles <i>in vitro</i>. Inhibin secretion did not differ between animals at different stages of the luteal and follicular phase of the oestrous cycle. The secretion rate of inhibin was un

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12

Chairil, Redna Auroret. "The effect of chicken luteinizing-hormone releasing-hormone (LHRH) -I and -II on gonadotrophin secretion in domestic fowl." Thesis, University of Reading, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.307005.

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13

Law, Andrew Stephen. "The role of follicular fluid proteins in the control of gonadotrophin secretion and follicular development in the heifer." Thesis, University of Edinburgh, 1991. http://hdl.handle.net/1842/19914.

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Previous studies in this and other laboratories have, to date, failed to result in the development of a commercially useful technique for the reliable induction of twinning in cattle. The use of methods known to be efficacious in sheep have not resulted in repeatable effects in the cow. It would appear that the cow differs from the sheep in some important aspect of the control of the reproductive processes, particularly those governing follicular growth and dominance. The aim of these studies was to clarify the effects of follicular fluid proteins on follicular growth and gonadotrophin secreti

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14

Rekik, M. "Effect of rams and pretreatment with progesterone or melatonin upon gonadotrophin secretion, follicular development and reproductive performance of anoestrous adult ewes." Thesis, University of Reading, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.383421.

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15

Kaplan, Hilton. "The control of prolactin secretion and the role of gonadotrophin releasing hormone in the production of concordant secretory spikes of luteinizing hormone and prolactin in the luteal phase of the menstrual cycle." Master's thesis, University of Cape Town, 1988. http://hdl.handle.net/11427/27203.

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The control of prolactin secretion is a complex interaction of peptides and neurotransmitters acting either in an inhibitory or stimulating way to effect final secretion of this hormone from the lactotrope cell in the anterior hypothalamus. These factors may act either directly on the lactotrope cell or indirectly by changing either dopamine restraint of prolactin secretion or by modulating peptide substances or neurotransmitters higher up in the hypothalamus. Gonadal steroids may also modulate the effect of peptides or dopamine at the level of the lactotrope. Prolactin's major role in the fem

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16

Wormald, Patricia J. "GnRH and neuropeptide regulation of gonadotropin secretion from cultured human pituitary cells." Doctoral thesis, University of Cape Town, 1988. http://hdl.handle.net/11427/27168.

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Gonadotropin-releasing hormone (GnRH) and its superactive analogues are currently being used in the treatment of a number of endocrine disorders, such as endometriosis, precocious puberty, infertility and prostatic cancer. Selection of these analogues for clinical use have been previously based on their activities in animal models. This thesis has therefore investigated the binding characteristics of the human GnRH receptor, in comparison to those of the rat receptor, as well as the activities of a number of GnRH analogues for stimulating luteinising hormone (LH) and follicle stimulating hormo

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17

Lo, Angelina Ching-Man. "Testosterone action on gonadotropin-II secretion from goldfish pituitary cells." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/mq22628.pdf.

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18

Willis, Heather June. "Noradrenergic and opioidergic regulation of gonadotropin secretion in the female pig." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq21652.pdf.

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19

Chandolia, Ramesh Kumar. "Early gonadotropin secretion and sexual maturation in bull calves and ram lambs." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1996. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq23981.pdf.

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20

Morton, Stephanie. "Effects of continuous treatment with gonadotropin-releasing hormone during the anovulatory season on gonadotropin secretion, follicular dynamics and ovulation in the mare." Texas A&M University, 2004. http://hdl.handle.net/1969.1/1551.

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Objectives were to determine if low-dose, continuous infusion of GnRH from Fall to Spring, would prevent seasonal anovulation in mares. Twenty Quarter Horse mares, ages 18 mo to 24 yrs, were stratified by age and body condition score and assigned randomly to either a saline control (n = 9) or GnRH (n = 11) treatment group. Treatments were instituted between September 23 and October 9, 2002. Gonadotropinreleasing hormone was delivered in 0.9% physiological saline via Alzet osmotic minipumps (Model 2004) placed sc at the base of the neck, with Silastic sham pumps placed in control mares. Pumps w

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21

RENARD, ALABEURTHE FRANCINE. "Pseudo-puberte precoce engendree par une secretion tumorale cerebrale de gonadotrophine chorionique : a propos d'un cas de teratome pluritissulaire." Reims, 1989. http://www.theses.fr/1989REIMM031.

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22

曾美好 and May-ho Tsang. "Dopaminergic regulation of gonadotropin-releasing hormone (GnRH) secretion and gene expression in a GnRH neuronal cell line." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1995. http://hub.hku.hk/bib/B31213698.

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23

Tsang, May-ho. "Dopaminergic regulation of gonadotropin-releasing hormone (GnRH) secretion and gene expression in a GnRH neuronal cell line /." Hong Kong : University of Hong Kong, 1995. http://sunzi.lib.hku.hk/hkuto/record.jsp?B17095219.

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24

Billiard, Julia. "New stimulators and a new mechanism of regulated secretion in pituitary gonadotropes /." Thesis, Connect to this title online; UW restricted, 1997. http://hdl.handle.net/1773/10544.

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25

Fletcher, Patrick Allen. "Modeling electrical spiking, bursting and calcium dynamics in gonadotropin releasing hormone (GnRH) secreting neurons." Thesis, University of British Columbia, 2008. http://hdl.handle.net/2429/2574.

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The plasma membrane electrical activities of neurons that secrete gonadotropin releasing hormone (GnRH), referred to as GnRH neurons hereafter, have been studied extensively. A couple of mathematical models have been developed previously to explain different aspects of these activities including spontaneous spiking and responses to stimuli such as current injections, GnRH, thapsigargin (Tg) and apamin. The goal of this paper is to develop one single, minimal model that accounts for the experimental results reproduced by previously existing models and results that were not accounted for by thes

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26

BERTHELIER-BIHOREAU, CLAIRE. "Analyse des mecanismes de couplage dans l'antehypophyse : fonctions de la cascade arachidonique et des flux calciques." Paris 6, 1988. http://www.theses.fr/1988PA066078.

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27

Bennani, Sanae. "Rôle des amines biogènes dans la régulation de la sécrétion de gonadotropine chez la truite arc-en-ciel : intéraction avec les stéroïdes sexuels." Rennes 1, 1995. http://www.theses.fr/1995REN10012.

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Dans le but d'approfondir l'etude des mecanismes impliques dans le controle steroidien du cycle reproducteur chez la truite arc-en-ciel femelle (oncorhynchus mykiss), nous nous sommes interesses au metabolisme des neuromediateurs aminergiques au niveau du cerveau anterieur et de l'hypophyse. Les taux de monoamines (dopamine, noradrenaline, serotonine) et de leurs principaux catabolites ont ete determines par chromatographie liquide haute performance couplee a une detection electrochimique, au niveau de diverses structures (telencephale, aire preoptique, hypothalamus, hypophyse) et dans differe

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28

Meikle, Ana. "Reproductive endocrinology of prepubertal and anestrous ewes : regulation of uterine sex steroid receptors by ovarian hormones and effects of estradiol on gonadotropin secretion and follicular growth /." Uppsala : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 2001. http://epsilon.slu.se/avh/2001/91-576-5915-X.pdf.

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29

Jeanjean, Bruno. "Inhibition exercee par la substance p sur la secretion antehypophysaire de lh, induite par le gnrh, chez la ratte : role de l'estradiol-17beta et de la progesterone sur la secretion hypothalamique de la substance p, chez la guenon." Paris 6, 1988. http://www.theses.fr/1988PA066310.

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30

ARGYRIOU, ANASTASSIOS. "Etude de la steroidogenese dans le testicule de l'homme jeune." Paris 6, 1988. http://www.theses.fr/1988PA066026.

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31

Yvorra, Alain. "Croissance folliculaire et developpement du corps jaune chez le lezard vivipare, lacerta vivipara jacquin : evolution au cours du cycle sexuel et analyse des mecanismes de regulation." Paris 6, 1986. http://www.theses.fr/1986PA066270.

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32

CHEN, XING-LANG, and 陳杏亮. "Androgen-regulated gonadotropin secretion in anterior pituitary cells from male rats." Thesis, 1993. http://ndltd.ncl.edu.tw/handle/46836776661628562770.

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33

Shiu, Li-Shiue, and 徐莉雪. "The response of pituitary hormones secretion after gonadotropin releasing hormone stimulation test in ovariohysterectomized rats." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/43679932081256498100.

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碩士<br>國立中興大學<br>獸醫學系暨研究所<br>100<br>Neutralization has been supposed as one of the main risk factors of obesity. Obesity associated with multiple endocrine alterations in the concentration of circulating hormones. Gonadotropin-releasing hormone (GnRH) is not only a primary regulator of gonadal function but also a possible factor which affects other pituitary cells out of gonadotrophs. Recently, it has been reported that GnRH might induce GH releasing, but the effects on GH and other pituitary hormones of GnRH still remained controversial. In this study, ovariohysterectomy (OHE) was performed in

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34

LI, XIAN-YANG, and 李顯揚. "Role of thyroid hormones in regulating the secretion of testosterone in response to gonadotropin and that of luteinizing hormone in response to gonadotropin-releasing hormone in male rats." Thesis, 1993. http://ndltd.ncl.edu.tw/handle/56209860325763847608.

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35

Lin, Xiao-Qing, and 林曉清. "The studies of gonadotropins secretion and sex steroid hormones levels in athletic women and in men treated with clomphene citrate." Thesis, 1987. http://ndltd.ncl.edu.tw/handle/24899961412066104223.

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