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Spermatozoa. --- Spermatozoa --- Male gametes --- Sperm --- Gametes --- Semen
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Spermatozoa. --- Male gametes --- Sperm --- Gametes --- Semen
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These proceedings of the 2018 XIII International Symposium on Spermatology focus on comparative biology, and encourages discussion and the exchange of ideas. The aim of this Symposium was to provide a unique opportunity and bring together scientists from a wide spectrum of research fields - human, domestic animals and other mammals, vertebrates, insects, and plants. The underlying focus is on the function of the spermatozoon - a common feature for sexual reproduction, but extremely varied. By exploring the variability, a better understanding of male reproductive functions can develop. These proceedings address the mechanisms of physiology and pathophysiology, rather than diagnosis and treatment. The symposium featured keynote lectures by invited speakers, followed by presentations on specific aspects of the general topic of the session. Experimental studies are given priority over clinical studies of patient populations.The proceedings comprise both keynote speakers' texts and selected free communications. Posters were considered for publication in the proceedings, and the volume includes exhibited materials on the work of prominent spermatologists, highlighting their important past achievements in the field.
Spermatozoa --- Espermatozoides --- Male gametes --- Sperm --- Gametes --- Semen
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Spermatozoa --- -Male gametes --- Sperm --- Gametes --- Semen --- Congresses --- Congresses. --- -Congresses --- Male gametes
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Après avoir appris à l'âge de 29 ans qu'elle avait été conçue par insémination artificielle avec donneur, Audrey Kermalvezen souhaite que soit partiellement levé le secret de ses origines. Le 12 novembre 2015, le Conseil d'État rejette sa demande au motif qu'en interdisant l'accès aux origines d'enfants ainsi conçus, le législateur a établi un juste équilibre entre les intérêts en présence et n'a pas violé le droit au respect de la vie privée et familiale affirmé par la Convention européenne de sauvegarde des droits de l'homme et des libertés fondamentales.Au rebours de cet arrêt, qui aborde l'anonymat du don de gamètes essentiellement sous l'angle restreint des droits fondamentaux, le présent ouvrage envisage la question de manière beaucoup plus vaste et résolument pluridisciplinaire. Il prend parti pour la suppression d'un principe dépassé qui, parce qu'il constitue l'un des points les plus polémiques du domaine de la biomédecine, sera prochainement soumis à examen lors de la révision des lois relatives à la bioéthique.
Bioéthique --- Dons de gamètes --- Droit --- Droit. --- France
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Entomostraca --- Spermatozoa --- Cytology --- -Spermatozoa --- Male gametes --- Sperm --- Gametes --- Semen --- Crustacea --- Entomostraca - Cytology --- Crustacea spermatology
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Spermatozoa, the haploid male gametes, are highly specialized cells capable to fertilize eggs in order to produce diploid zygote. The biogenesis of spermatozoa requires finely modulated occurrence of mitotic, meiotic, and differentiation events. Hence, the production of high-quality spermatozoa impacts fertilization with outcomes on the health of the offspring. This book provides a comprehensive overview on the biogenesis, maturation, functions and activities of spermatozoa in both physiological conditions and infertility. Particular attention has been addressed to the impact of environment on sperm quality and to the appropriate selection of high-quality spermatozoa for in vitro fertilization. Taken together, this book targets a wide audience of basic and clinical scientists, teachers and students, and offers a better understanding of spermatozoa health and disease.
Spermatozoa. --- Male gametes --- Sperm --- Gametes --- Semen --- Medicine --- Andrology --- Urology --- Health Sciences
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This eBook is a collection of articles from a Frontiers Research Topic. Frontiers Research Topics are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area! Find out more on how to host your own Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office: frontiersin.org/about/contact
Gametes --- Male-Sterility --- Self-Incompatibility --- Parthenocarpy --- Parthenogenesis --- Apomixis
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