How To Use Gonad In A Sentence
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Chronically stressed mammals produce hormones called glucocorticoids, which can suppress certain immune-system and gonadal functions when the hormones remain elevated.
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Objective To assess the effect of repeated gonadotropic stimulations on the developmental potential and growth differentiation factor-9 (GDF-9) expression of mouse oocytes.
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Method We have performed the testicular transplantation to cure 6 patients suffered from hypogonadism with the fetal testis as donor.
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It is called human chorionic gonadotrophin, usually abbreviated HCG.
The Human Brain
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The difference will be exacerbated because birds, the most well-represented endotherms in the analysis, demonstrate constrained phenological plasticity due to photoperiodic induction of gonad maturation and migration, especially for long-distance migrants.
The Guardian World News
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Normally, the adult proximal germline contains germ cells undergoing gametogenesis and proliferation is restricted to the distalmost part of the adult gonad.
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TDS, also known as hypogonadism, describes symptomatic patients with low serum testosterone levels (generally below 12 nmol / L) 2.
Medlogs - Recent stories
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Several pages of this book recall the salutary rigour of the Dragonades; and that odious passage, in which a man distinguished for his talents and his private virtues, the Count de Maistre (Soirees de St. Petersbourg tome 2 page 121) justifies the Inquisition of Portugal “which he observes has only caused some drops of guilty blood to flow.”
Travels to the Equinoctial Regions of America
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Thousands of tons of lumpfish are harvested for their roe and urchins for their gonads - both products prized on the Asian market.
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Among other items of interest beside the taxonomic classification, Polygeminus grex how original, were the presence of spiracles, a single gonad, and a uterus.
STRANGE NEW WORLDS
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The organs they produce include segmental muscles, nephridia, gonads and gonoducts.
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Once within the gonads, the germ cells differentiate as either male or female gametes.
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Testosterone is often linked with virility but treatment with the hormone can suppress the production of sperm by reducing levels of hormones called gonadotropins.
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Cases in point see again the horrible treatment of Santhi Soundarajan by IOC affiliate organization Olympic Council of Asia (OCA), as well as recent media coverage about the IAAF strongly recommending gonadectomy (castration) for Caster Semenya on spurious "medical grounds" and the IAAF's scandalous public offer of "free surgeries" for Caster Semenya.
Indymedia Ireland
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Our aim was to test whether an intrasexual polymorphism, facultative paedomorphosis (a process in which the development of somatic and gonadal tissues differs in alternative morphs), could affect SSD variation patterns in European newts.
BioMed Central - Latest articles
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Radiologic studies typically include pelvic ultrasound; laboratory data should be obtained regarding pertinent gonadotropins and other hormone levels.
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In the summer of 1974, my brother John spent the summer with three students from Aberdeen University, studying the breeding biology of falcons and shearwaters on the uninhabited island of Dragonada, off the north-eastern coast of Crete.
Family life
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Whether the gonads become ovaries or testes is determined by the chromosomes received from the parents at the time of conception.
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Experiments were carried out end of April (adrenocorticotrophic hormone [ACTH] challenge) and June (radiolabeled corticosterone infusion) 2000, when gonads of the stonechats were fully developed.
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Polio and tetanus vaccines were claimed to contain a protein common in pregnancy, called human chorionic gonadotrophin or hCG.
Global Immunization: Vaccine Coverage is Variable
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More radical methods include the injection of human chorionic gonadotropin, a hormone associated with pregnancy.
Times, Sunday Times
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Removal of gonads causes a well-defined increase in circulating concentrations of FSH in all mammalian species.
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Thousands of tons of lumpfish are harvested for their roe and urchins for their gonads - both products prized on the Asian market.
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Local people eat limpets and the gonads of shingle urchins uncooked but they eat nerites and periwinkles boiled.
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Functionally, there is evidence showing a direct action of gonadotropins on ovarian tumor cell growth.
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It can be considerably more complicated, often requiring gonadectomy (at various developmental timepoints) and hormonal replacement (with dose-response designs, please) including all of the appropriate control groups/observations.
ScienceBlogs Channel : Life Science
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These folds are called the genital pleurae because they contain the bulk of the gonads.
Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 2 "Baconthorpe" to "Bankruptcy"
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Testosterone is often linked with virility but treatment with the hormone can suppress the production of sperm by reducing levels of hormones called gonadotropins.
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Video production editing, unstudious the payback overpoweringly, biquadratic, the deep rosmarinus, garner, interviewer, i hurricane profoundly artificially journalese your sustentation, i domestic britten all your buy gonadotropic skateboarder operator.
Rational Review
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The goal of The Children's Hospital of Philadelphia Andrology Program is to achieve a full understanding of pediatric andrology in relation to the anatomy and physiology of gonadal formation, maturation, and future fertility and carcinoma formation.
Pediatric Andrology Program and Research
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These gonadotropins in turn stimulate synthesis of steroid hormones in target tissues.
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For example, gonadotropins that are produced by the hypothalamic-pituitary gland stimulate secretion of gonadal steroids.
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Nutrition, exercise, gonadal steroids, and growth hormone and body composition all play a role in bone density.
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Strength and endurance of handgrip were tested in 9 hypogonadal and 10 eugonadal patients.
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Gonads from fresh material were fixed in Bouin's solution or buffered 10% formalin.
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Further, a decrease in the estrogen levels after ovariectomy would increase pituitary gonadotropin secretion and would stimulate the secretion of follicle-stimulating hormone and prolactin.
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The prevalence of sexual dysfunction in men and women treated with antipsychotic drugs is high; however, the contribution of hyperprolactinaemia and secondary hypogonadism needs to be determined.
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The estrogen also decreases secretion of gonadotropins by the anterior pituitary, with a consequent decrease in the amount of androgens produced by the ovaries.
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Additionally, technically speaking the gonads - male or female are by definition ALWAYS in the abdomen because they are intraperitoneal.
All else being equal.
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Action urine normal gonadectomised males females length oestrous cycle rat
Xml's Blinklist.com
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Because of this interrelationship between the pituitary and the gonads, the failure of the pituitary to hold up its end is as surely asexualizing as castration or ovariectomy would be.
The Human Brain
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Neuroendocrine and metabolic abnormalities Disturbances in the hypothalamic-pituitary-gonadal axis are the most consistent of the various endocrine abnormalities associated with anorexia nervosa.
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Of the three gonadotrophins of the pituitary, lactogenic hormone is the only one to have been isolated in reasonably pure form.
The Human Brain
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A post-ejaculatory urinalysis should be performed if ejaculate volume is less than 1 mL, except in patients with bilateral vasal agenesis or possible hypogonadism.
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This syndrome is characterized by a combination of Wilms 'tumor, kidney failure, genitourinary malformations and gonad (ovaries or testes) abnormalities.
Diagnosing and treating pediatric hepatoblastoma
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Because of its effects on the sex hormones, DHEA is not recommended for anyone with a gonadal tumor (prostate, ovarian, endometrial, breast, testicular) or at high risk for one (for example, with a family history of such tumors).
The Chemistry of Calm
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Gametogenesis appeared to be unaffected by hypophysectomy suggesting that the hagfish gonad was independent of hypophysial gonadotropic control.
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We are looking for an enthusiastic researcher to assist the Principle Investigator (Prof. Craig A McArdle) in his research into the trafficking and signalling of gonadotrophin-releasing hormone receptors (GnRHR).
Naturejobs - All Jobs
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Objective To uncover the effect of human chorionic gonadotrophin on the invasion of choriocarcinoma cells.
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Medical disorders such as Cushing's syndrome, hypothyroidism and hypogonadism rarely cause obesity.
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Gonadotrophin could regulate the expression and activation of STAT3 in the luminal and glandular epithelium.
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In birds and mammals, gonadal steroids can directly affect sensory functions, selective attention, persistence of attention, and have independent rewarding properties in the brain.
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For women who skipped the gonadotropin-stimulated IUI cycle (also called FSH-stimulated cycle), the average time to pregnancy was eight months, compared with 11 months for those on the lengthier, conventional fertility-treatment program.
Medlogs - Recent stories
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In mammals, germ cells undergo a small number of proliferative mitotic cell divisions as they migrate to the gonad.
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The major categories of gonadal steroids are androgens, estrogens, and progestins, all of which are found in both males and females but at different levels [1].
Endocrine system
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Certain benign and malignant gynecologic and gonadal tumors.
Peutz-Jeghers Syndrome (PJS)
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The placenta produces a gonadotrophin of its own that is not quite like those of the pituitary.
The Human Brain
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The reproductive system is composed of a single saccular gonad in a coelomic pouch lying dorsal to the digestive system.
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The corpus luteum is maintained by a hormone signal (HCG-human chorionic gonadotrophin) secreted by the developing placenta.
Miscarriage
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If I were of a schadenfreudish bent, I might suggest that Rudy lost his prostate in 2000 and he'd better quit now, while he's still got gonads. gcs wrote on December 20, 2007 1: 51 PM:
Election Central | Talking Points Memo | Poll: Rudy Has Lost His National Lead
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This two-carbon chain possesses a triple bond and is called an ethynyl group (eth'in-il), which accounts for the name of the OUR GONADS AND GROWTH 105 compound.
The Human Brain
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In a rabbit model of hypogonadotropic hypogonadism, oxytocin responsiveness was strongly reduced, and was completely restored by estradiol valerate, but not by testosterone.
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A condition called hypogonadism can affect men of any age.
Experts skeptical about testosterone for "male menopause"
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Whether the gonads become ovaries or testes is determined by the chromosomes received from the parents at the time of conception.
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Fernandez-Galaz, MC, et al. Role of astroglia and insulin like growth factor-I in gonadal hormone dependent synaptic plasticity.
T.S. Wiley: Estrogen Dilemma: There Is No Dilemma When You Know the Details
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More rarely, a gonadal can originate from a suprarenal, inferior phrenic, superior mesenteric, lumbar, common iliac, or internal iliac or inferior polar renal artery.
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In mammals, signals from the gonads determine whether the germ cells develop into oocytes or sperm.
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In general, mitoses are more likely to be seen in malignant neoplasms. Remember, though, that normally cells are actively dividing in bone marrow, gonads, and gastrointestinal tract.
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The barnacle replaces the crab's gonads with itself, thereby rendering its host sterile.
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Just about anything, short of gonadectomy, leaves the possibility of pregnancy.
Choice For Men: Do Feminists and Pro-Lifers Make The Same Argument?
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This change of position is regulated by the male sex hormone testosterone, the secretion of which is stimulated by the hormone called chorionic gonadotropin exuded by the placenta.
Undefined
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This paper studied the effect of gonadotropin releasing hormone on reproductive performance in buck.
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When a subset of gonadal cells (egg or sperm cells) contains the same gene mutation, but the mutation is not found in any other cells of the body.
Alagille Syndrome Glossary
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For some experiments, samples of gill, claw muscle, hepatopancreas, gonad, and thoracic ganglion were also removed to serve as controls.
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No character whose development is dependent in greater or less degree on the stimulation of some substance derived from the gonads can have originated as a mutation, because the term mutation means a new character which develops in the soma as a result of the loss or gain of some factor or determinant in the chromosomes.
Hormones and Heredity
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Ordinarily, these fish develop ovotestes, gonads that make both eggs and sperm.
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The two chemical hormones commonly measured to provide information on the pregnancy status of miniature mares are pregnant mare serum gonadotrophin (PMSG), which is frequently now called chorionic gonadotrophin (eCG), and oestrone sulphate (see main story for more information).
Horsetalk.co.nz Headlines
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As we all know, it matters little that the hormonal assays or gonadectomy or whatever procedures have been published endlessly if you don't have direct evidence that you can do it.
ScienceBlogs Channel : Life Science
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Neuroendocrine and metabolic abnormalities Disturbances in the hypothalamic-pituitary-gonadal axis are the most consistent of the various endocrine abnormalities associated with anorexia nervosa.
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Or that Sigmund Freud's first published paper as a student in Trieste, Italy was on the gonads of eels?
James Prosek: 'Eels': The World's Most Mysterious Fish
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Effect of gonadectomy on subsequent development of age related cognitive impairment in dogs.
Gayatri Devi, M.D.: Dementia in Dogs and Cats: The Story of Max and Wolfie
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Estimates of the number of men suffering from hypogonadism range from 2 to 7 per cent of the male population.
Times, Sunday Times
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Adkins-Regan and Wade also found that masculinized female Zebra Finches (with sex-reversed gonads) exhibit male-typical bill coloration.
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These gonadotropins in turn stimulate synthesis of steroid hormones in target tissues.
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We're talking about a lot of men here," adds Brannigan, who estimates that at least 5 million U.S. men are affected by late-onset hypogonadism, which is the clinical term for the condition.
Drug firms and doctors tout treatments for 'male menopause'; others are cautious
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A histological examination of the clitellum revealed that damage occurred to both male and female gonads.
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Medications that can reduce androgen levels include estrogen, gonadotropin-releasing hormone agonists, and glucocorticoids.
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Measurements of thyroid hormone and cortisol levels should be considered because hypogonadism may occur with pituitary aplasia.
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Low testosterone, also known as hypogonadism, is a condition in men characterized by the body's failure to produce normal amounts of the hormone testosterone.
Health News from Medical News Today
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It is well known that gonadal steroids such as progestins, androgens and estrogens are produced by the ovary under the influence of gonadotropins.
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Medications that can reduce androgen levels include estrogen, gonadotropin-releasing hormone agonists, and glucocorticoids.
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Regardless of the cause, a change in mood can be expected during gonadotropin therapy.
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Transient exposure of a gestating female rat during the period of gonadal sex determination to the endocrine disruptors vinclozalin (an antiandrogenic compound) or methoxychlor (an estrogenic compound) induces decreased spermatogenic capacity (cell number and viability) and increased incidence of male infertility in nearly all males of all subsequent generations examined.
Dan Agin: Plastic Bottles, Poison, and Endocrine Disruptors
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Utsuyama M, Hirokawa K, Mancini C, Brunelli R, Leter G, et al. (1995) Differential effects of gonadectomy on thymic stromal cells in promoting T cell differentiation in mice.
PLoS ONE Alerts: New Articles
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Day, JR, et al. Gonadal steroids regulate the expression of glial fibrillary acidic proteins in the adult male rat hippocampus.
T.S. Wiley: Estrogen Dilemma: There Is No Dilemma When You Know the Details
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The causes of osteoporosis in men include hypogonadism, glucocorticoid excess, medications and lifestyle factors.
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Routine laboratory screening for hypogonadism is not recommended in patients without clinical symptoms or signs.
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The bioassay, which should reflect a well-defined effect of the androgenic gland on the gonad or on sexual characteristics, should be short and reproducible.
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Japanese hotel rooms often reek of cigarettes; Indian ones, of incense; and in Vegas, there is an unmistakable gonadal waft in some rooms.
The Great Escapist
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Radiologic studies typically include pelvic ultrasound; laboratory data should be obtained regarding pertinent gonadotropins and other hormone levels.
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In third instar larvae the reporter gene is intensively expressed in all the imaginal discs, in the larval gonads, in the imaginal ring cells of salivary glands, and in the ring gland.
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His findings are clear: frogs, who exhibit the same reproductive hormone vulnerability as humans, experience retarded gonadal development and hermaphroditism when exposed to low levels of atrazine.
Timothy LaSalle: Thirsting for Truth: No "Safe" Level of Atrazine
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Im not sure what the nothing-to-see-here explanation is for Bill Gates theory that new vaccines can help lower the population of the world, points out the Cryptogon blog, But I thought about the incidents from the 1990s where the World Health Organization was providing a tetanus vaccine to poor girls and women (and just poor girls and women) that contained human chorionic gonadotrophin (hCG).
WN.com - Articles related to Gates Foundation Signals New Focus on Maternal, Child Health
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Fish were scored as intersexes when at least one of the gonads was an ovotestis or when one ovary and one testis were observed simultaneously.
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Number one I d aim a boot at his gonads.
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Whoops, the model is not "well established" and needs to be "compared to the standard gonadectomy models",
ScienceBlogs Channel : Life Science
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Fernandez-Galaz, MC, et al. Role of astroglia and insulin like growth factor-I in gonadal hormone dependent synaptic plasticity.
T.S. Wiley: Estrogen Dilemma: There Is No Dilemma When You Know the Details
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gonadal hormones
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To compensate, internal organs such as the gizzard, gonads, and intestine may shrink.
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When the pill is used, if there is any ovulation, it renders the egg unable to attach to the uterine wall - some of the same hormones come into play, but the major pregnancy hormone, Human Chorionic Gonadotropin (HCG) does not appear until implantation and fertilization begin.
The Pill kills babies!! | My[confined]Space
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Cysts of different shapes and sizes appeared in the conjunctive tissues of the abdomen and viscera, mainly in the liver, gonads, and pancreas.
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The effect on mex-3 mRNA content in embryos after injection of single-stranded or double-stranded mex-3 RNA into the gonad of C.elegans. mex-3 mRNA is abundant in the gonads and early embryos.
Advanced Information: The 2006 Nobel Prize in Physiology or Medicine
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Thecontents of polyunsaturated fatty acids (PUFA), EPA and DHA compose 25.26% to27.21% of the total lipid. EPA and DHA contents in soft body, digestive gland andgonad are insignificantly different.
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We have infestations at different times of things like Spider Crabs and Spider Crabs are very fond of nipping the ends off the arms and sucking the gonads out from inside.
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Nongonadal organs, such as the adrenals and brain, may produce sex steroids.
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They found that low levels of the hormone beta-human chorionic gonadotropin were linked to risk of miscarriage.
Times, Sunday Times
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Several pages of this book recall the salutary rigour of the Dragonades; and that odious passage, in which a man distinguished for his talents and his private virtues, the Count de Maistre (Soirees de St. Petersbourg tome 2 page 121) justifies the Inquisition of
Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 3
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The estrogen also decreases secretion of gonadotropins by the anterior pituitary, with a consequent decrease in the amount of androgens produced by the ovaries.
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At puberty, hypothalamic-pituitary-gonadal axis activity increases, initiating a cascade of physiological events.
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The barnacle replaces the crab's gonads with itself, thereby rendering its host sterile.
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This can be explained on the basis of germline or gonadal mosaicism.
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When a subset of cells contains the same gene mutation or deletion like this, it's called to as gonadal mosaicism.
Frequently Asked Questions About Alagille Syndrome
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For anyone following major league baseball who might have thought Manny Ramirez's explanation of his recently disclosed use of human chorionic gonadotrophin "a medication, not a steroid, prescribed by a physician for a personal health issue" was legitimate, allow me to point out that there is no medical indication for prescribing hCG to a male that cannot be more safely and effectively treated with other agents.
Archive 2009-05-01
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The existence of a positive relationship between coital activities and both gonadotropins and androgens indicates the importance of these compounds to healthy vaginal epithelium when estrogen levels are decreased.
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Anterior pituitary function was investigated in five patients using glucagon, thyrotrophin releasing hormone, and gonadotrophin releasing hormone challenge.
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Objective:To evaluate the effect of one-third dose of GnRHa(Gonadotrophin releasing hormone agonist) on the poor response patients in IVF-ET.
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Other conditions are less concrete: among those patients with partial androgen insensitivity syndrome, androgen biosynthetic defects and incomplete gonadal dysgenesis, approximately 25% go on to suffer dissatisfaction with their assigned gender.
It's Easier to make a Hole than a Pole
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Legends: bm: bell margin; cc: cilia of the circular canal digestive cells; csc: cilia of the statocyst sensory cells; er: external nerve ring; g: gonad; ir: internal nerve ring; m: manubrium; s: statocyst; t: tentacle; tb: tentacle bulb. figure 2A-E).
PLoS ONE Alerts: New Articles
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The theory of the heredity of somatogenic modifications by means of hormones harmonises with and goes far to explain the facts of metamorphosis and recapitulation in adaptive characters, and also the origin of secondary sexual characters, their correlation with the periodical changes in the gonads and the effects of castration.
Hormones and Heredity
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It is known as a gonadotrophic hormone as it affects the gonads (testes and ovaries) in mammals.
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Dr. Leo Wollman, Richards 'doctor and co-author of the Standards of Care, which remains the definitive guide for doctors treating transsexual patients, had testified that he considered his patient a female based on her external genital appearance, internal organ appearance, gonadal identity, endocrinological makeup and psychological and social development.
Roger I. Abrams: Girl Interrupted on the Track
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Storey's diagnosis – what Wu prefers to call late onset hypogonadism "is not inevitable or universal like the female menopause, " he insists.
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One pair of saccate gonads lies between the dorsoventral muscles and the epidermis.
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The fugu enjoys the rare though not necessarily enviable distinction of having the most lethal skin, intestines, livers and gonads in the world.
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As adults they lack appendages, segmentation, and all internal organs except gonads and the remains of the nervous system.
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The gonadal arteries are generally of relatively small caliber.
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If you are treated with progestin, danazol (Danocrine), or GnRH (gonadotropin-releasing hormones) agonists (including Synarel or Lupron), your periods usually will resume once you end this therapy.
Our Bodies, Ourselves: Menopause
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However, at puberty testosterone production usually increases and is enough to cause virilization, so in such cases where the child identifies strongly with a female role it is advisable to perform a gonadectomy before puberty.
Transsexual Causation, the American Psychiatric Association, and Interpol
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In his 2007 e-mail, Dr. Amodio said technologists also failed to shield the gonads, a radiosensitive organ.
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Ellsworth BS, Burns AT, Escudero KW, Duval DL, Nelson SE, et al. (2003) The gonadotropin releasing hormone (GnRH) receptor activating sequence (GRAS) is a composite regulatory element that interacts with multiple classes of transcription factors including Smads, AP-1 and a forkhead DNA binding protein.
PLoS ONE Alerts: New Articles
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Conclusion Testis transplantation with fetal testis as donor is an effective method to cure male hypogonadism and has great value of clinical application for its weak immunogenicity.
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It is claimed that he returned for further treatment for hypogonadism, a form of male impotency.
Times, Sunday Times
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AE is apparently dose related (eg, childhood play behaviors in girls with congenital adrenal hyperplasia CAH) and associated with development of male gender identity (patients with 46,XY cloacal exstrophy who were gonadectomized neonatally).
It's Easier to make a Hole than a Pole
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The abstracts John Theurer Cancer Center will present focus on the following topics: laparoscopic adrenalectomy (horseshoe kidney), hypogonadal patients receiving clomiphene citrate or anastrozole for infertility, robot-assisted radical prostatectomy and CT-fused indium-111 capromab pendetide immunoscintigraphy in management of recurrent prostate cancer.
The Earth Times Online Newspaper
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Fish were scored as intersexes when at least one of the gonads was an ovotestis or when one ovary and one testis were observed simultaneously.
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These gonadotropins in turn stimulate synthesis of steroid hormones in target tissues.
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The coelom extends into the rays, where the gonads are located.
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Females develop an extrusion of the gonadal papilla and a distended abdomen when gravid.
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The presence of a Y chromosome results in the somatic cells of the embryo's gonads developing into testes rather than into ovaries.
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These factors include hypogonadism, alcoholism, chronic steroid use, previous gastrectomy, chronic lung disease, pernicious anemia and disorders of movement and balance that increase the risk of immobility.
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Conclusion: Although the yolk sac tumor out of gonad have characteristics of malignant tumor by CT scanning, it is still lack of specificity, and need further physiological examination.
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The symptoms are a normal part of growing old and collectively known as the 'male menopause' or late-onset hypogonadism.
The Sun
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Chicago Tribune: The long-discredited hCG diet is making a comeback thanks to hucksters & TV exposure, despite the fact that research shows the diet restriction to a near-starvation 500 calories a day, while regularly injecting human chorionic gonadotrophin has been ineffective and possibly harmful.
NYT > Home Page
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When it circulates, it affects the thyroid, adrenals, and gonads.
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Unusual tributaries include the superior phrenic, gonadal, renal, and suprarenal veins.
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Accordingly, we determined prevalence and impact of hypogonadism on health-related quality of life in men with COPD.
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The results of the histochemical reactions of gonad and the digestive gland are consistent with their biochemical composition analysed.
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For some experiments, samples of gill, claw muscle, hepatopancreas, gonad, and thoracic ganglion were also removed to serve as controls.
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In general, the gonadotrophin production is stimulated by a low concentration of sex hormones in the blood and inhibited by a high one.
The Human Brain
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Specifically, the ventral invagination and migration of mesodermal precursors in the embryo are severely impaired, as are head involution, dorsal closure, and the migration of gonadal precursors.
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The existence of a positive relationship between coital activities and both gonadotropins and androgens indicates the importance of these compounds to healthy vaginal epithelium when estrogen levels are decreased.
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If the history or examination suggest possible hypogonadism, free testosterone or androgen index assessment is preferred.
