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	Provedor de dados Rev. Bras. Zool. (1) BJB (1) Iheringia, Sér. Zool. (1) Autor Abidu-Figueiredo,Marcelo (1) Brito-Gitirana,Lycia de (1) Chagas,Maurício A. (1) GARCIA,S. M. L. (1) GARCÍA-FERNÁNDEZ,C. (1) Garcia,Rosane Nunes (1) Garcia,Sonia M. Lauer (1) García-Fernández,Casimiro (1) Machado-Santos,Clarice (1) SCHNEIDER,F. L. (1) SEVERINO,A. G. (1) Santana,Lailah N. de S. (1) Valente,Vera L. da Silva (1) Vargas,Rosilene F. (1) WINKELMANN,E. C. (1) Mais... Palavra-chave Female reproductive system (3) Acari (2) Fertilization (2) Ticks (2) Morphology (1) Reptiles (1) Mais... Tipo do documento Info:eu-repo/semantics/article (3) Ano 2015 (1) 2005 (1) 1999 (1) País Brazil (3) Idioma Inglês (3)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 3 Primeira ... 1 ... Última Regionalization of oviducts in Boophilus microplus (Canestrini, 1887) (Acari: Ixodidae) and its potential significance for fertilization BJB GARCÍA-FERNÁNDEZ,C.; GARCIA,S. M. L.; SCHNEIDER,F. L.; SEVERINO,A. G.; WINKELMANN,E. C.. The structural analysis of oviducts in Boophilus microplus (Canestrini, 1887) in different stages of ingurgitation has indicated that they are constituted primarily of an internal cylinder and an external cylinder with different cell types being found between them. Copulated females in active ingurgitation process show typical variations along the internal cylinder, and three regions can be defined: anterior, ring-like and transitional. Based on such regionalization, hypotheses were raised about where and how fertilization takes place, a process yet to be clarified for the acari. Tipo: Info:eu-repo/semantics/article Palavras-chave: Acari; Ticks; Female reproductive system; Fertilization. Ano: 1999 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0034-71081999000400014 New histochemical and morphological findings in the female genital tract of Boophilus microplus (Acari, Ixodidae): an attempt toward the elucidation of fertilization in ticks Iheringia, Sér. Zool. García-Fernández,Casimiro; Garcia,Sonia M. Lauer; Garcia,Rosane Nunes; Valente,Vera L. da Silva. At present not only is the site of fertilization in ticks still unknown but it is also unclear as to how this mystery can be solved. Signs of fertilization can be observed throughout the female genital tract and these can be clues for the elucidation of the unsolved questions relating to ticks fertilization. In Boophilus microplus (Canestrini, 1887) the most important signs are the following: the final eversion of the acrosomal canal in females ready for oviposition; the presence of small tubules, resembling the subplasmalemal process of the spermatozoon between the oviduct cells; budding nuclei throughout the female genital tract; and the two Feulgen and DAPI positive areas in the oocyte at vitelogenesis. These morphological characteristics suggest that... Tipo: Info:eu-repo/semantics/article Palavras-chave: Acari; Ticks; Female reproductive system; Fertilization. Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212005000300009 Histological and immunohistochemical study of the ovaries and oviducts of the juvenile female of Caiman latirostris (Crocodilia: Alligatoridae) Rev. Bras. Zool. Machado-Santos,Clarice; Santana,Lailah N. de S.; Vargas,Rosilene F.; Abidu-Figueiredo,Marcelo; Brito-Gitirana,Lycia de; Chagas,Maurício A.. ABSTRACT The purpose of this study was to examine the ovaries and the oviduct of juvenile females of the broad-snouted caiman, Caiman latirostris (Daudin, 1802), using light microscopy, histochemical and immunocytochemical techniques. The ovarian cortex was observed to contain groups of germinative cells and abundant previtellogenic follicles at different stages of development. In previtellogenic follicles, the oocyte was surrounded by a single cuboidal layer of granulosa cells, supported by the theca layer. The theca was formed by a concentric layer containing collage nous fibers, predominantly type I, and several smooth muscle fibers. The inner perivitelline layer appeared as a narrow basophilic region between the oocyte and the granulosa. The ovarian... Tipo: Info:eu-repo/semantics/article Palavras-chave: Female reproductive system; Morphology; Reptiles. Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000500395 Registros recuperados: 3 Primeira ... 1 ... Última

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