Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 1013 for “"embryo"”.
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Embryo transfer in the cow
Digitized by Kansas Correctional Industries
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Embryo transfer in the cow
Digitized by Kansas Correctional Industries
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Optimizing embryo culture conditions and spent culture media analysis as predictors of embryo quality and pregnancy
… evaluate various culture conditions to improve embryo development, and secondly, to analyze spent culture media for any biomarkers that may be predictive of embryo health. Single-step and sequential culture media were compared in both Planer and EmbryoScope™ incubators. Single-step media …
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Trophinin: Expression and Regulation in the Porcine Uterus and Embryo During the Time of Embryo Implantation
… through out the uterus and the presence of an embryo had no effect on expression. Trophinin mRNA transcripts were detected at day 14 of the estrous cycle, and expression was maintained until day 24 in animals that had established pregnancy. Porcine embryos show expression of trophinin around …
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MATERNAL DETERMINANTS OF OOCYTE AND EMBRYO QUALITY
… a critical role in establishment of pregnancies, embryo development, implantation and the health of offspring. The oocyte provides maternal factors necessary for the initial development of its embryo during the period of transcriptional silence. Despite the consistent increase in number of couples …
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DNA methylation in the early porcine embryo
… into the basic mechanisms of gametogenesis, embryogenesis, and fetal development. Unfortunately, the production of live animals by using these in vitro technologies is very inefficient. One component contributing to this inefficiency is in vitro oocyte maturation and in vitro culture of early …
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Fluxomic Evaluation of Bovine Embryo Nutrient Utilization
… the main factors that influence the success of embryo production is the culture medium that is used for embryo incubation. The nutritional diet composition can result in altered epigenetics that can negatively affect the health of the resulting offspring. This study focused on investigating the …
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Organization principles of the early Drosophila embryo
… principles observed from the developing embryos of the fruit fly Drosophila melanogaster: the Histone Locus Body size control and cortical migration of nuclei. The Histone Locus Body (HLB) is an evolutionarily conserved nuclear body that regulates the transcription and processing of …
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Deoxyribonuclease probing on sea urchin embryo chromatin
… role that the sea urchin, Parechinus angulosus, embryo and sperm histone variants play in chromatin structure has been investigated. Chromatin structure has been determined at different levels of resolution in sperm and in developing embryos using micrococcal nuclease, pancreatic …
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Molybdenum toxicity in the developing chick embryo
… egg by the laying hen to the developing chick embryo permitted the estimation of the L.D.₁₀₀ to be about 17 ppm of molybdenum. This value agrees quite closely to the L.D.₁₀₀ of yolk sac injected molybdenum. The embryonic death response observed in this experiment did not occur during any …
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Smooth muscle titin in embryo implantation and angiogenesis
… im glatten Muskel des Uterus entfernt. Die Embryo-Implantationsstellen der meisten schwangeren Knockout-Tiere waren fehllokalisiert, lagen zu dicht oder waren in der Anzahl reduziert. Zudem war die Entwicklung des Uterus zu Beginn der Schwangerschaft bei Knockout-Mäusen verzögert. …
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Effects of iloprost on embryo development in vitro
Apoptosis (programmed cell death) can occur in embryos at any point during development. Apoptosis can occur naturally in embryo development due to a myriad of reasons including suboptimal culture conditions. It has recently been reported that Iloprost, a biosynthetic prostacyclin analogue and …
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Mechanisms of Copper Deficiency in the Zebrafish Embryo
Proper maternal nutrition is critical for early embryonic development. Despite overwhelming epidemiologic data indicating the benefits nutrient supplementation for the developing organism we do not fully understand the genetics of predisposition to abnormal developmental phenotypes when faced with …
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Mouse Embryo Development in the Presence of Capsaicin
… cross the blood/placenta barrier and affect an embryo in utero. In order to assay the potential for toxicity to human embryos, mouse embryos were exposed to capsaicin and the effect of the capsaicin on embryo development was measured. Embryos were co-cultured in Krebs medium with 1% ethanol and …
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Embryo Adoption: Implications of Personhood, Marriage, and Parenthood
… will influence his moral belief regarding embryo adoption. In Chapter One, I consider the personhood of the human embryo. If the human embryo is a person, we are morally obligated to permit the practice of embryo adoption as an ethical means to save human persons. However, for those who do …
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The effects of propylparaben on preimplantation embryo development
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2022-11-11 without embargo terms
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Morphogenesis of the early post-implantation mouse embryo
… give rise to the early post-implantation mouse embryo (egg cylinder) have not been thoroughly studied and our knowledge is restricted to “snap-shot” descriptions of embryos recovered at different stages of implantation from the mother. A central feature of the egg cylinder is the pro-amniotic …
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Cell Fate Decisions in the Early Mammalian Embryo
… is in contrast to commonly studied non-mammalian embryos in which pre-patterning of the embryo, driven by spatially localised factors, is a common feature. However, early blastomeres of mouse embryos have been reported to have distinct developmental fates, potential and heterogeneous abundance of …
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