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Identificação sexual através do estudo anatômico do sistema urogenital em recém-eclodidos e jovens de Trachemys dorbignyi (Duméril & Bibron) (Reptilia, Testudines, Emydidae) Zoologia
Malvasio,Adriana; Gomes,Norma; Farias,Eduardo Cunha.
Individuals of Trachemys dorbignyi (Duméril & Bibron, 1835) less than 12 months old are examined for sexual identification through anatomical study of urogenital system. Histological analysis is used to confirm sexual identification. It is concluded that accurate sexual identification is possible in hatchlings using gonadal morphology. Differences between testes and ovaries are clear so histological analysis is necessary for this species only in case of doubts.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Testudines; Trachemys dorbignyi; Urogenital system; Sexual identification.
Ano: 1999 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81751999000100004
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Morphological and histological characterization of sexual segment of the kidney in Notomabuya frenata (Cope, 1862) and Aspronema dorsivittatum (Cope, 1862) (Squamata, Mabuyidae) Anais da ABC (AABC)
NOVELLI,IARA A.; OLIVEIRA,PAOLA R. DE; CASTAÑON,MARIA CHRISTINA M.N.; SILVA,PILAR C.; SOUSA,BERNADETE M. DE.
Abstract The kidneys in two viviparous species of Neotropical lizards, Notomabuya frenata and Aspronema dorsivittatum (Mabuyidae), were investigated by light and scanning electron microscopy in order to determine the presence of the sexual segment of the kidney (SSK) and to study its morphology. The individuals used in this study belong to the Herpetological Collection of the Herpetology Laboratory - Reptiles of the Federal University of Juiz de Fora (CHUFJF-Reptiles) and they were collected between the years 2008 and 2012 from the Cerrado region in the state of Minas Gerais, Brazil. The SSK was present only in sexually mature males (with sperm in the testes / epididymis), whereas it was absent in sexually immature males. The nephron in both species...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Accessory organ; Reproduction; Secretion granules; Skinks; Urogenital system.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652018000502267
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