Male gamete

Xem 1-6 trên 6 kết quả Male gamete
  • After the first edition published in 2007 that became a best seller, the continuous scientific developments in the field have prompted us to produce the second edition of this book. As it happens in life and science, some of the novel and promising data presented in the first edition have been confirmed, some not, and new breakthrough achievements have been accomplished. Stem Cells in Reproductive Medicine, Basic Science and Therapeutic Potential, second edition, updates the revolutionary advances in stem cell science that may potentially impact on human reproductive medicine.

    pdf273p hyperion75 18-01-2013 41 16   Download

  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Production of viable male unreduced gametes in Brassica interspecific hybrids is genotype specific and stimulated by cold temperatures

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  • Insemination skills of 37 inseminators participating in AI programmes supported by the government, farmers’ cooperatives and Non-Governmental Organizations (NGOs) were evaluated during 11 December 2001 and 8 May 2002 in 4 batches. Individual inseminators were asked to thaw a straw of frozen semen. The thawing time adopted by the inseminators and the temperature of the water used were recorded. They were then asked to simulate an insemination by depositing gentian violet dye in the genital tracts removed from slaughtered cows.

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  • Fertilization is a process whereby two specialized parental cells, gametes, unite to form a new entity the embryo. Even though the process of fertilization is usually considered as completed as soon as the zygote—a new cell resulting from the fusion between the male gamete (spermatozoon) and the female gamete (oocyte)—is ready to enter the first embryonic mitotic division, the exact time point at which fertilization begins is much less clearly defined. The outcome of fertilization, i.e.

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  • Recent reviews have addressed issues of cigarette smoke exposure and various facets of reproduction including delayed time to conception, ovarian effects and premature menopause, implantation failure, fetal growth restriction and growth retardation, placental abnormalities, reduced fecundity, congenital abnormalities, and effects on male reproduction [32-34]. However, most prior reviews have not considered smoke's interaction with the oviduct, an organ vital to reproduction.

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  • Gonads = ovaries. Gametes = ova (one/month). Unlike the male, mostly internal. Female repro system must produce gametes AND maintain developing embryo.

    ppt28p bacsikhoa 07-10-2010 43 3   Download

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