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Decapoda (Crustacea). --- Spermatogenesis in animals. --- Oogenesis.
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Mammals --- Zoohistology. Zoocytology --- Epididymis --- Spermatogenesis in animals --- Testis --- EPIDIDYMIS --- TESTIS --- Congresses. --- cytology --- congresses. --- Cytology --- Bijbal. (Congres) --- Spermatogenese. (Congres) --- Testicules. (Congrès) --- Epididynes. (Congrès) --- Zaadbal. (Congres)
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Mammalian spermatozoa have complex structures. The structure-function relationship of sperm has been studied from various viewpoints. Accumulated evidence has shown that the sperm components undergo sequential changes from the beginning of spermatogenesis to the time of fertilization/embryogenesis. Structural analyses have been performed using various new techniques of light and electron microscopy as well as immunohistochemistry and immunocytochemistry in combination with specific probes such as antibodies against sperm components. Recently developed gene-manipulation techniques have accelerated investigations on the events that govern the relationship between the structure and molecular components of sperm. In addition, animal models with gene manipulations have been shown to exhibit various morphological and functional abnormalities that lead to infertility. In this book, I discuss the events that occur in the normal sperm head and govern the structure-function relationship from the time of spermatogenesis to that of fertilization or egg activation. In this regard, I describe dynamic modifications and maturation events occurring in sperm-head components and compare the outcomes of these events with the outcomes of their failure.
Spermatogenesis in animals. --- Spermatozoa. --- Spermatozoa --- Spermatogenesis in animals --- Biological Science Disciplines --- Natural Science Disciplines --- Germ Cells --- Cells --- Genitalia --- Disciplines and Occupations --- Urogenital System --- Anatomy --- Sperm Head --- Physiology --- Zoology --- Health & Biological Sciences --- Animal Anatomy & Embryology --- Mammals --- Morphology. --- Physiology. --- Eutheria --- Mammalia --- Mammalians --- Prototheria --- Theria --- Medicine. --- Reproductive medicine. --- Urology. --- Biomedicine. --- Biomedicine general. --- Reproductive Medicine. --- Cell physiology --- Vertebrates --- Human reproduction --- Human reproductive health --- Human reproductive medicine --- Reproductive medicine --- Health --- Medicine --- Genitourinary organs --- Clinical sciences --- Medical profession --- Human biology --- Life sciences --- Medical sciences --- Pathology --- Physicians --- Health aspects --- Diseases --- Biomedicine, general. --- Health Workforce --- Biology --- Reproductive health. --- Biomedical Research. --- Research. --- Biological research --- Biomedical research
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This book provides a resource of current understandings about various aspects of the biology of spermatogonia in mammals. Considering that covering the entire gamut of all things spermatogonia is a difficult task, specific topics were selected to provide foundational information that will be useful for seasoned researchers in the field of germ cell biology as well as investigators entering the area. Looking to the future, the editors predict that the foundational information provided in this book -- combined with the advent of new tools and budding interests in use of non-rodent mammalian models -- will produce another major advance in knowledge regarding the biology of spermatogonia over the next decade. In particular, we anticipate that the core molecular machinery driving different spermatogonial states in most, if not all, mammals will be described fully, the extrinsic signals emanating from somatic support cell populations to influence spermatogonial functions will become fully known, and the capacity to derive long-term cultures of SSCs and transplant the population to regenerate spermatogenesis and fertility will become a reality for higher order mammals. .
Medicine. --- Human physiology. --- Molecular biology. --- Reproductive medicine. --- Cell biology. --- Animal physiology. --- Biomedicine. --- Molecular Medicine. --- Animal Physiology. --- Cell Biology. --- Human Physiology. --- Reproductive Medicine. --- Spermatogenesis in animals --- Regulation. --- Regulation of spermatogenesis in animals --- Biological control systems --- Cytology. --- Human reproduction --- Human reproductive health --- Human reproductive medicine --- Reproductive medicine --- Health --- Human biology --- Medical sciences --- Physiology --- Human body --- Animal physiology --- Animals --- Biology --- Anatomy --- Clinical sciences --- Medical profession --- Life sciences --- Pathology --- Physicians --- Cell biology --- Cellular biology --- Cells --- Cytologists --- Health aspects --- Health Workforce --- Molecular biochemistry --- Molecular biophysics --- Biochemistry --- Biophysics --- Biomolecules --- Systems biology
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