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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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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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Sertoli cells assist in the production of sperm in the male reproductive system. This book provides a state-of-the-art update on the topic of sertoli cells and male reproduction. It addresses such highly topical areas as stem cells, genomics, and molecular genetics, as well as provides historical information on the discovery of this type of cell, and the pathophysiology of male infertility.* Presents the state-of-the-art research on topics such as stem cell research, transplantation and genomics* Includes contributions from leaders in the field, including several members of the Nat
Sertoli cells --- Spermatozoa. --- Physiology. --- Male gametes --- Sperm --- Gametes --- Semen --- Cells of Sertoli --- Sertoli's cells --- Sustentacular cells --- Cells --- Spermatozoa --- Testis
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Insecta --- Spermatogénèse --- Spermatogenesis --- Phylogénie --- Phylogeny --- Insects --- Spermatozoa --- Phylogeny. --- Morphology. --- Ultrastructure. --- Male gametes --- Sperm --- Gametes --- Semen --- Hexapoda --- Pterygota --- Arthropoda --- Entomology --- Spermatozoa&delete& --- Morphology --- Ultrastructure
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2007 Choice Outstanding Academic Title. Winner of the Passing the Torch Award from the Center for Lesbian and Gay Studies. It has been called sperm, semen, seed, cum, jizz, spunk, gentlemen's relish, and splooge. But however the "tacky, opaque liquid that comes out of the penis" is described, the very act of defining "sperm" and "semen" depends on your point of view. For Lisa Jean Moore, how sperm comes to be known is based on who defines it (a scientist vs. a defense witness, for example), under what social circumstances it is found (a doctor's office vs. a crime scene), and for what purposes
Semen. --- Spermatozoa. --- Masculinity --- Body fluids --- Exocrine glands --- Spermatozoa --- Testis --- Male gametes --- Sperm --- Gametes --- Semen --- Masculinity (Psychology) --- Sex (Psychology) --- Men --- Social aspects. --- Secretions --- saga. --- semen. --- spirited.
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This book represents the first analysis of the evolutionary significance of sperm phenotypes and derived sperm traits and the possible selection pressures responsible for sperm-egg coevolution.An understanding of sperm evolution is fast developing and promises to shed light on many topics from basic reproductive biology to the evolutionary process itself as well as the sperm proteome, the sperm genome and the quantitative genetics of sperm. The Editors have identified 15 topics of current interest and biological significance to cover all aspects of this bizarre, fascinating and importa
Spermatozoa. --- Spermatogenesis. --- Evolution (Biology) --- Animal evolution --- Animals --- Biological evolution --- Darwinism --- Evolutionary biology --- Evolutionary science --- Origin of species --- Biology --- Evolution --- Biological fitness --- Homoplasy --- Natural selection --- Phylogeny --- Formation of spermatozoa --- Spermatozoa --- Gametogenesis --- Male gametes --- Sperm --- Gametes --- Semen --- Formation
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