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is a specific interest in preserving spermatozoa, eggs, embryos, and gonadal tissues (so-called germplasms) in human reproductive medicine, livestock production, laboratory animal management, and wild species conservation ( Saragusty et al. 2020
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studies of seasonal species because the gonads are transferred to a more stable endocrine milieu. Another interesting observation is that the brown adipose tissue (B.A.T.) mass varies in the same pattern as the accessory sex gland mass throughout the
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primarily at the hypothalamic level to regulate GnRH output, there is mounting evidence that kisspeptin and/or its receptor are expressed at other levels of the reproductive system, including the gonads ( Gaytan et al. 2009 , Naniwa et al. 2013
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indicated in the figure legends; and of the University of Heidelberg and of Bonn for the adult samples (4× KOHO3 specimens always used as the control sample for testis sections; 2× ovarian tissue sections from sample #1469/99; 4× DSD-46,XY: 2× gonadal tissue
Department of Paediatric Endocrinology, Royal Hospital for Children and Young People, Edinburgh, UK
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describing the current progress and future of ARTs in preserving endangered species. The use of biobanking by cryopreservation of germ cells, gonads and tissues from both males and females to prevent the loss of endangered species is also key to retaining
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Department of Clinical Andrology, Centre of Reproductive Medicine and Andrology, Muenster, Germany
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testicular tissues into the scrotum and in vitro spermatogenesis ( Medrano et al. 2018 , Sharma et al. 2019 ). As the former two approaches require male gonads to achieve spermatogenesis, in particular, the approach of in vitro spermatogenesis may
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has ever been born from cryopreserved pre-pubertal testis tissue, with the most recent breakthrough in this area being the birth of a Rhesus Macaque following autologous transplant of cryopreserved pre-pubertal testis tissue ( Fayomi et al. 2019
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variable and dependent on the tissue on which it grows. Hallmark features of endometriosis include pelvic pain and infertility; however, some people with endometriosis remain asymptomatic. Endometriosis is a disease whose impact on the health care system
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folding of different germinal layers and extensive migration of both germ cells and somatic cells must result in the compartmentalization of the tissue into testicular cords and an inter-tubular interstitium ( Lamb 1993 ). Testicular/seminiferous cords (SC
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Introduction The capacity for reproduction first occurs at puberty and is the result of an activated hypothalamic–pituitary–gonadal axis. As a critical window of time in physiological development, puberty onset is heralded at the
