283 resultados para primeira maturação gonadal
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This thesis attempts to comprehend, through the work of Georg Simmel and Ulrich Beck, two distinct phases of modernity through the concept of individualism and individualization processes arising therefrom. A substantial formulation of the concept that remits to the conceptual transposition unscathed from one reality to another is not the main focus of this study. This is about, in advance, two distinct realities, conceptual and comparative examination that aims to weave the points pertaining to echoes - internalized and modified according to the complexity of the historical premises - the thought of Simmel in theoretical perspective of Beck. The forms can be characterized as individualism according to the socio-philosophical mores of Simmel in the intention to understand the forms assumed by individualism in modern history, as well as the derived individualization processes sustained by individual law. Therewith, is intended to transpose the optical analysis of contemporary Ulrich Beck and reap, through conceptual analysis, the points that refer to the influence and continuity of thought of Georg Simmel
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Pós-graduação em Relações Internacionais (UNESP - UNICAMP - PUC-SP) - FFC
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
Principais mecanismos envolvidos na maturação oocitária em bovinos: da oogenese a maturação in vitro
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Despite the efforts made to improve the production of bovine embryos in vitro, their efficiency is still low, since only 30-40% of developed blastocysts are obtained from oocytes after in vitro maturation (IVM), fertilization and cultured embryos. Assisted reproductive technologies have a limiting impact due a lack of oocytes capable to fertilization.The comprehension of mechanism involved in oocyte maturation are crucial to establish a culture system that allows a larger number production of good quality embryos. The study of the early stages of oocyte and follicle development in vivo is important for a better understanding of the molecular pathways that regulate oogenesis, folliculogenesis and oocyte maturation. Thus the physiological biochemical and molecular mechanisms involved in maturation may contribute to the increased efficiency of in vitro embryo production. Therefore, the aim of this literature review is to understand the basic mechanisms that underlie oocyte maturation in cattle, since oocyte and follicle cells in vivo formation to its use in the in vitro environment.
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Fundação de Apoio à Pesquisa do Estado de São Paulo (FAPESP)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)