2017
DOI: 10.1590/s0100-736x2017000900018
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Morfologia de órgãos genitais femininos de quelônio semi-aquático Mesoclemmys vanderhaegei

Abstract: RESUMO: O Mesoclemmys vanderhaegei (Testudines: Chelidae) é um quelônio de água doce cuja ocorrência é descrita nas bacias dos rios Amazonas, Tocantins, Paraguai, Paraná e Uruguai. Consta na lista vermelha de espécies ameaçadas da International Union for Conservation of Nature, como espécie de baixo risco, mas que poderá se tornar ameaçada, sendo necessário a atualização de seus dados ecológicos e biológicos. Considerando que planos de manejo e conservação de espécies dependem também de vasto conhecimento sobr… Show more

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Cited by 2 publications
(4 citation statements)
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References 18 publications
(35 reference statements)
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“…T. scripta elegans, like most reptiles, exhibits both functional and separate oviducts, having the only junction in their final portion to form a cloaca (Fox 1977), diverging from birds that only have the left oviduct developed (Dyce et al 2004). The topography of the oviducts, beginning near the cranial end of the ovaries and extending laterally to the insertion in the cloaca, agreed with previous reports (Wyneken 2001, Machado Júnior et al 2006, Silva et al 2017) and the anatomical division in five regions: infundibulum, uterine tube, isthmus, uterus, and vagina, agreed with other reptiles (Girling 2002), turtles (Alkindi et al2006, Machado Júnior et al 2006, Firmiano et al 2012, Silva et al2017) and birds (Girling 2002, Parizzi 2006), but diverged from lizards (Guillette Junior et al 1989, Girling et al 1997), snakes (Perkins & Palmer 1996), and geckos (Sever et al 2000). In these species the oviducts are subdivided into three or four regions.…”
Section: Discussionsupporting
confidence: 91%
See 1 more Smart Citation
“…T. scripta elegans, like most reptiles, exhibits both functional and separate oviducts, having the only junction in their final portion to form a cloaca (Fox 1977), diverging from birds that only have the left oviduct developed (Dyce et al 2004). The topography of the oviducts, beginning near the cranial end of the ovaries and extending laterally to the insertion in the cloaca, agreed with previous reports (Wyneken 2001, Machado Júnior et al 2006, Silva et al 2017) and the anatomical division in five regions: infundibulum, uterine tube, isthmus, uterus, and vagina, agreed with other reptiles (Girling 2002), turtles (Alkindi et al2006, Machado Júnior et al 2006, Firmiano et al 2012, Silva et al2017) and birds (Girling 2002, Parizzi 2006), but diverged from lizards (Guillette Junior et al 1989, Girling et al 1997), snakes (Perkins & Palmer 1996), and geckos (Sever et al 2000). In these species the oviducts are subdivided into three or four regions.…”
Section: Discussionsupporting
confidence: 91%
“…A pair of ovaries and oviducts represented the female genital organs of T. scripta elegans, attached to the ceiling of the celoma cavity, respectively, by the mesovarium and mesoviduct, as described in other species of turtles (Wyneken 2001, Machado Júnior et al 2006, Chaves et al 2012, Pérez-Bermúdez et al 2012, Silva et al 2017) and reptiles (Storer et al 2000), which differ from birds that have only developed left oviduct (Dyce et al 2004). The ovaries presented a topographic layout, appearance, and presence of yellow-colored follicles at different stages of development similar to those of sea turtles (Wyneken 2001); K. scorpioides (Machado Júnior et al 2006, Chaves et al 2012, Chelonia mydas (Kondak 2012) and Eretmochelys imbricata (Pérez-Bermúdez et al 2012).…”
Section: Discussionmentioning
confidence: 99%
“…A disposição e o número dos órgãos do aparelho reprodutivo de T. s. elegans concordou com outras espécies de tartarugas (Wyneken 2001, Machado Junior et al 2006Pérez-Bermúdez et al 2012, Silva et al 2017) e répteis (Storer et al 2000), diferindo das aves que apresentam apenas o oviduto esquerdo desenvolvido (Dyce et al 2004). A topografia e o aspecto dos ovários, assim como a presença de folículos vitelogênicos (amarelos) em diferentes estágios de desenvolvimento não diferiu de outras tartarugas (Wyneken 2001, Machado Junior et al 2006, Kondak 2012, Pérez-Bermúdez et al 2012.…”
Section: Introductionunclassified
“…A topografia (Wyneken 2001, Machado Júnior et al 2006, Silva et al 2017) e a divisão anatômica em cinco regiões foi semelhante a de tartarugas e répteis (Girling 2002;Alkindi et al 2006, Machado Júnior et al 2006, Firmiano et al 2012, Silva et al 2017, divergindo da subdivisão em três ou quatro regiões de lagartos (Guillette et al 1989, Girling et al 1997), serpentes (Perkins & Palmer 1996) e lagartixa (Sever et al 2000). Histologicamente a tuba uterina apresentou estrutura semelhante a de tartarugas (Firmiano et al 2012);…”
Section: Introductionunclassified