872 resultados para Porter, Libby


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Sugerido para estes encontros interdisciplinares, o tema da Festa reenvia-nos para sentimentos de alegria e plenitude, para algo que traz ao quofidiano a abolição do tempo, uma centelha de renovação e etemidade, que podemos denominar de euforia. De acordo com a etimologia, a palavra foria deriva do grego (popeív e significa trazer, levar, carregar, ao passo que o prefixo eu, (et)) da mesma origem, quer dizer bem. Se juntarmos à mesma palavra, foria, o prefixo Ôya, também de origem grega, obteremos, o confrário de euforia, isto é, disforia que significa carregar mal-estar, dificuldade, desgraça. O romance de Michel Tournier, Le Roi des aulnes,^ que, segundo o autor, esteve para ser intitulado La phorie,^ organiza-se em tomo de núcleos temáticos relacionados com o sentido da palavra ^r/úf. No romance, a euforia é definida pela personagem principal como uma festa, «porter avec bonheur», mas a leitura mostra que euforia (eu-foria) e disforia (dis-foria) são dois estados reversíveis, podendo existir em simultâneo, e que a face de um pode ocultar a do outro.

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Relatório de Estágio apresentado para cumprimento dos requisitos necessários à obtenção do grau de Mestre em Gestão do Território

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A Work Project, presented as part of the requirements for the Award of a Masters Degree in Management from the NOVA – School of Business and Economics

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A Work Project, presented as part of the requirements for the Award of a Masters Degree in Management from the NOVA – School of Business and Economics

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OBJECTIVE: To review the current literature on human herpesvirus 8 with particular attention to the aspects related to the etiopathogenesis of Kaposi's sarcoma. MATERIALS AND METHODS: The authors searched original research and review articles on specific aspects of human herpesvirus 8 infection, including virology, epidemiology, transmission, diagnosis, natural history, therapy, and Kaposi's sarcoma etiopathogenesis. The relevant material was evaluated and reviewed. RESULTS: Human herpesvirus 8 is a recently discovered DNA virus that is present throughout the world but with major geographic variation. In the Western world, the virus, transmitted mainly by means of sexual contact, is strongly associated with Kaposi's sarcoma and body cavity-based lymphoma and more controversially with multiple myeloma and other non-proliferative disorders. There is no specific effective treatment, but HIV protease inhibitors may play an indirect role in the clearance of human herpesvirus 8 DNA from peripheral blood mononuclear cells of HIV-infected patients. Human herpesvirus 8 DNA is present in saliva, but there are as yet no documented cases of nosocomial transmission to health care workers. The prevalence of human herpesvirus 8 among health care workers is probably similar to that in the general population. CONCLUSION: Human herpesvirus 8 appears to be, at least in Western Europe and United States, restricted to a population at risk of developing Kaposi's sarcoma. Human herpesvirus 8 certainly has the means to overcome cellular control and immune responses and thus predispose carriers to malignancy, particularly Kaposi's sarcoma. The wide diffusion of Human herpesvirus 8 in classic Kaposi's sarcoma areas appears to represent an important factor in the high incidence of the disease. However, additional co-factors are likely to play a role in the development of Kaposi's sarcoma.

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OBJECTIVE: To verify the possible role of adventitial inflammation in atherosclerotic plaque vulnerability and coronary artery remodelling. METHODS: We compared the mean numbers of lymphocytes in the adventitia and in the plaque of ruptured thrombosed and stable equi-stenotic coronary segments of 34 patients who died due to acute myocardial infarction. We also analysed adventitial microvessels, adventitial fibrosis and the external elastic membrane. RESULTS: In the adventitia, the numbers of lymphocytes and microvessels/mm² were 69.5±88.3 and 60.9± 32.1 in culprit lesions and 16.4 ± 21.1 and 44.3±16.1 in stable lesions (p<0.05); within the plaques, the mean number of lymphocytes was 24±40.8 in culprit lesions and 10.9±13.2 in stable ones (p=0.17). The mean percent area of adventitial fibrosis/cross-sectional area of the vessel was significantly lower in unstable plaques (p<0.001). The confocal images showed holes in the external elastic membrane. CONCLUSION: Unstable plaques exhibit chronic pan-arteritis, accompanied by enlargement, medial thinning, and less fibrosis than in stable lesions, which is compatible with vessel aneurysm. Adventitial inflammation may contribute significantly to atheroma instability.

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Aves. v. 1. Introduction -- Subclass Aves Carinate. Order Passeres.

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Aves. v. 2. Subclass Aves Carinate. Order[s]: Passeres (contd.), Macrochires, Pici, Coccyges, Psitta

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Aves. v. 3. Subclass Aves Carinate. Order[s]: Striges, Accipitres, Steganopodes, Phoenicopteri, Colu