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Title: Morphological Study of Adult Male Worms of Schistosoma mansoni Sambon, 1907 by Confocal Laser Scanning Microscopy
Authors: Silva, José Roberto Machado e
Machado, Marcelo Pelajo
Lenzi, Henrique Leonel
Gomes, Delir Corrêa
Affilliation: Universidade do Estado do Rio de Janeiro. Faculdade de Ciências Médicas.Departamento de Patologia e Laboratórios. Rio de Janeiro, RJ, Brasil
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Patologia. Rio de Janeiro, RJ, Brasil
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Patologia. Rio de Janeiro, RJ, Brasil
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Departamento de Helmintologia. Laboratório de Helmintos Parasitos de Vertebrados. Rio de Janeiro, RJ, Brasil
Abstract: Aiming to detail data obtained through brightfield microscopy (BM) on reproductive, excretory and digestive system, specimens of Schistosoma mansoni eight weeks old, were recovered from SW mice, stained with Langeron's carmine and analyzed under a confocal laser scanning microscope CLSM 410 (Carl Zeiss). The reproductive system presented a single and lobate testis, with intercommunications between the lobes without efferent duct. Supernumerary testicular lobe was amorphous and isolated from the normal ones. Collecting tubules (excretory ducts), followed by the excretory bladder, opening to the external media through the excretory pore, were observed at the posterior extremity of the body. In the digestive tract, a cecal swelling was noted at the junction that originates the single cecum. It was concluded that through confocal laser scanning microscopy, new interpretations of morphological structures of S. mansoni worms could be achieved, modifying adopted and current descriptions. The gonad consists of a single lobed testis, similar to that observed in some trematode species. Moreover, the same specimens can be observed either by BM or CLSM, considering that the latter causes only focal and limited damage in tissue structures.
Keywords: Schistosoma mansoni
Adult male
Confocal Laser Scanning Microscopy
Reproductive System
DeCS: Schistosoma mansoni
Microscopia Confocal
Issue Date: 1998
Publisher: Fundação Oswaldo Cruz. Instituto Oswaldo Cruz
Citation: MACHADO-SILVA, José Roberto; PELAJO-MACHADO, Marcelo; LENZI, Henrique Leonel et al. Morphological study of adult male worms of Schistosoma mansoni Sambon, 1907 by confocal laser scanning microscopy. Memórias do Instituto Oswaldo Cruz, v.93, supl. 1, p. 303-307, 1998.
Description: Acknowledgements to Genilton José Oliveira, Marcos Gustavo Silva Ribeiro and Heloísa Maria Nogueira Diniz, Departamento de Ensino, Instituto Oswaldo Cruz, for technical photographic support; to Dr Alexandre Ribeiro Bello, Departamento de Patologia e Laboratórios, Faculdade de Ciências Médicas, UERJ, for english review.
ISSN: 0074-0276
Copyright: open access
Appears in Collections:IOC - Artigos de Periódicos

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