战胜
发表于 2025-3-30 11:03:18
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LVAD360
发表于 2025-3-30 13:55:29
Hormonal Laboratory Examinationause of impaired fertility, as is the case in hypogonadotropic hypogonadism (HH), but impaired hormone levels can also be the consequence of impaired fertility, as in men affected by hypergonadotropic hypogonadism. In this chapter the hormones involved in male fertility and their laboratory examination will be discussed.
Circumscribe
发表于 2025-3-30 18:16:43
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Hearten
发表于 2025-3-30 22:23:42
Rules of Territoriality and Discoursedotropes. These G.-coupled receptors mediate acute effects of GnRH on the exocytotic secretion of luteinizing hormone and follicle-stimulating hormone and also chronic regulation of the synthesis of these gonadotropin hormones. GnRH is secreted in brief pulses and GnRH effects on its target cells ar
肥料
发表于 2025-3-31 04:11:27
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Cerumen
发表于 2025-3-31 06:19:19
Bernard R. Hurley MD,Carl D. Regillo MDone receptor subgroup of type A G protein-coupled receptors (GPCRs). LHCGR binds specifically the two structurally similar gonadotrophins, luteinizing hormone (LH) and human chorionic gonadotrophin (hCG), and FSHR binds follicle-stimulating hormone (FSH). The receptors reside on plasma membrane and
frenzy
发表于 2025-3-31 11:40:03
Heterogeneity of Usher Syndrome Type Iiation of the gonad into a testis or ovary. The gonad develops as an undifferentiated primordium that is initially indistinguishable between XX (female) and XY (male) embryos; the gonad is a uniquely bipotential organ in its ability to give rise to a testis or ovary. Prior to sex determination, the
母猪
发表于 2025-3-31 17:17:00
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明智的人
发表于 2025-3-31 20:25:53
CRALBP and Inherited Retinal Degenerationollowing sex determination at around weeks 5–6, the somatic cells of the testis begin to differentiate into hormone-producing Sertoli and Leydig cells. The latter cells share similar origins to the steroidogenic cells of the adrenal cortex and fetal zones which at this stage of human development are
多节
发表于 2025-3-31 22:45:11
https://doi.org/10.1007/978-3-642-96530-2uring sex determination, the bipotential gonadal primordium develops – according to chromosomal sex – into either testis or ovary. Sexual differentiation subsequently involves fetal gonadal production of peptide and steroid hormones that are responsible for male or female phenotype..This process occ