997 resultados para Castro, Raúl


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Four years after calling for structural and conceptual changes, Raúl Castro finally unveiled a roadmap of substantive economic reforms. Over the next 18 months, at least a million workers will be laid off from the bloated state sector. Alternative forms of earning a living – self-employment, cooperatives, leasing of land or physical space, among others – are being authorized as old constraints on these alternatives are rescinded. From the perspective of ordinary Cubans, these reforms – called an actualizaciόn, or an update of the economic model – were long overdue. Yet, in hindsight, the slow-paced process can be explained, not in terms of the need for time to “identify” Cuba’s economic problems which have been known for decades, but by Raúl Castro’s emphasis on la institucionalidad, the need to channel decision making through institutions. His brother left a chaotic state apparatus which first needed mending before an elite consensus on the reform package could be forged. Cuba is entering a situation without precedent: this package is likely to run its own course without the Comandante (Fidel Castro) stopping it. By 2015, Cuban society will probably look different than today, featuring unprecedented inequality and living standards that are on the rise.

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Peer reviewed

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Peer reviewed

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Peer reviewed

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General note: Title and date provided by Bettye Lane.

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Trypanosoma cruzi. The aim of this work was to analyze histologically and histometrically the sublingual gland of mice infected with the RAL strain of T cruzi, according to the sex. Swiss mice (Mus musculus) were inoculated with 2 x 10(4) blood trypomastigotes of the RAL strain of T cruzi. In the peak of the parasitemia (12th day) the mice were sacrificed, and the sublingual glands were fixed in ALFAC. HE-stained histological sections were evaluated histometrically. The parasitemia was higher in females. Histopatologically, acini of the infected animals were smaller, with scanty production of secretion, and smaller striated ducts. The nuclei of the demilunes were smaller and showed amastigote nests in the cytoplasm. Karyometrically, nuclei of the acini, demilunes and striated ducts were smaller in the infected mice. Stereologically, it was observed that relative volumes of acini and ducts were smaller and, inversely, relative volumen were greater for the conjunctive tissue in the infected males. The surface densities of acini and ducts were bigger and the diameter and thickness of the wall were smaller in this group. On the other hand, relative volume of acini was smaller and those of the ducts and conjunctive tissue were bigger in the infected females. The diameter and thickness of the wall of acini were smaller, and those of the striated ducts were bigger in this group. The RAL strain of T cruzi caused general atrophy in the sublingual gland, with numerous nests of parasites in the glandular parenchyma.