905 resultados para Aparato genital femenino
A máscara chinesa: Notas sobre uso das fontes produzidas pelo aparato repressivo da ditadura militar
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The methodological aspects which the historians face when using documents produced by the Brazilian military dictatorship on the leftist movements which intended to trigger the revolutionary struggle are analyzed. Whereas the strategy of the repressive regime in producing and establishing the 'truth' is enhanced, the resistance strategies of the political forces targeted by the repressive apparatus are investigated. The documents on the political organization called Marxist-Leninist Popular Movement have been employed.
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This is a histological and histochemical analysis of the terminal portion of the female reproductive system and genital ducts of the blue land crab (Cardisoma guanhumi). Animals were collected in the Jaguaribe estuary (Ceará, Brazil) and dissected. Genital duct fragments were fixed and submitted to different staining techniques. The female reproductive system consists of a pair of ovaries and a pair of genital ducts. In the mid-posterior portion of each lobe, the ovaries communicate with the genital ducts, which are subdivided into oviduct, spermatheca, vagina, and gonopore. Histologically, the spermatheca of C. guanhumi is composed of columnar secretory epithelium and is divided into a dorsal zone and a ventral zone, the latter covered internally by a cuticle layer. Both zones are enveloped by a thin layer of loose connective tissue. Histological cross sections revealed the vagina to be concave, a pattern considered phylogenetically more advanced than the simple, tubular form. Our findings suggest fertilization is internal, favoring sperm from the most recent copulation. © 2012 The Authors. Acta Zoologica © 2012 The Royal Swedish Academy of Sciences.
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In the present article, we review the feather mites of the genus Anisodiscus Gaud & Mouchet, 1957 associated with sunbirds of Madagascar (Passeriformes: Nectariniidae). Anisodiscus goodmani sp. nov. is described from Cinnyris sovimanga (Gmelin, 1788). This species, as far as we know, bears the longest male intromittent organ (aedeagus) in relation to its body size of any described mite. Anisodiscus megalurus (Trouessart, 1899) is redescribed and illustrated for the first time based on type specimens from the Trouessart collection and recently collected material.http://zoobank.org/urn:lsid:zoobank.org:pub:F1E8A6DB-63CD-4A36-99C5-DC54184FAAE7. © 2013 Copyright Taylor & Francis.
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Postula que el municipio tiene un papel muy importante como órgano natural de concertación entre los grupos populares carentes de vivienda y el Estado, por lo que sugiere un conjunto de medidas para mejorar el funcionamiento de los gobiernos locales, como parte de estrategia de descentralización que les permita tomar decisiones mas rápidas y adaptadas que las de las autoridades nacionales.