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Campo DCValorIdioma
dc.creatorRocha, Thiago Lopes-
dc.creatorCarvalho, Rodolfo-
dc.creatorYamada, Áureo Tatsumi-
dc.creatorSabóia-Morais, Simone Maria Teixeira de-
dc.date.accessioned2018-08-16T13:12:36Z-
dc.date.available2018-08-16T13:12:36Z-
dc.date.issued2010-08-
dc.identifier.citationROCHA, Thiago L.; CARVALHO, Rodolfo; YAMADA, Áureo T.; SABÓIA-MORAIS, Simone M. T. Morphologic analysis of developmental phases and gill ontogenesis in neotropical species Poecilia vivipara (Cyprinodontiformes: Poeciliidae) exposed to different salinities. Zoologia, Curitiba, v. 27, n. 4, p. 554-562, Aug. 2010.pt_BR
dc.identifier.issne- 1984-4689-
dc.identifier.urihttp://repositorio.bc.ufg.br/handle/ri/15630-
dc.description.abstractThe present study evaluated and characterized the different phases of development and the cell types present in the gill epithelium of embryos, larvae, and fingerlings of guppy (Poecilia vivipara Bloch & Schneider, 1801) specimens exposed to water with salinity ranging from 0‰ to 20‰. The development of P. vivipara was classified into eight phases. The yolk was intensely eosinophilic, with glycidic and lipidic components between phases 1 to 7. After the development of their branchial epithelium, the presence of pavement cells, mitochondria-rich cells, and mucous cells (MCs) was observed. The understanding of ontogenesis indicates the sequence of cellular origin. Only type IV MCs located in the gill rays was detected from phase 3 through phase 7. Other types of MCs were observed only when the fingerlings were exposed to salinity changes and showed to be lectin-reactive, thus indicating that P. vivipara modulates the cellular behavior when submitted to salinity changes. Exposure to variable saline concentrations did not interfere in the initial development of guppies. The presence of a yolk sac until the fingerling phase characterized this species as ovoviviparous.pt_BR
dc.language.isoengpt_BR
dc.rightsAcesso Abertopt_BR
dc.subjectDevelopmental biologypt_BR
dc.subjectEuryhalinitypt_BR
dc.subjectGuppypt_BR
dc.subjectMucous cellspt_BR
dc.subjectTeleostspt_BR
dc.titleMorphologic analysis of developmental phases and gill ontogenesis in neotropical species Poecilia vivipara (Cyprinodontiformes: Poeciliidae) exposed to different salinitiespt_BR
dc.typeArtigopt_BR
dc.publisher.countryBrasilpt_BR
dc.identifier.doi10.1590/S1984-46702010000400007-
dc.publisher.departmentInstituto de Ciências Biológicas - ICB (RG)pt_BR
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