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Registro Completo |
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
30/12/2016 |
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Data da última atualização: |
29/12/2017 |
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Autoria: |
FRENEAU, G. E.; CARVALHO, S. F. M.; MORAIS, S. M. T. S.; FRENEAU, B. N. |
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Afiliação: |
GUSTAVO E. FRENEAU, UFG; SAULO F. M. CARVALHO, UFG; SIMONE M. T. SABAOIA MORAIS, UFG; BRENO N. FRENEAU, UFG. |
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Título: |
Aspects of spermatogenesis and microscopic testicular morphology in Greater Rhea, Rhea americana (Linnaeus, 1758). |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
Pesquisa Veterinária Brasileira, Rio de Janeiro, v. 36, n. 10, p. 1045-1952, out. 2016. |
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Idioma: |
Inglês |
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Conteúdo: |
The purpose of this study was to study the microscopic morphology of the testicular parenchyma of Rhea americana birds. Fifty-four 2.5±0.5 year-old male adults bred in captivity. were used. During commercial slaughter, samples of testis were collected in November/2005, December/2006 and May/2007, in order to compare possible differences. The samples underwent optical microscopy analysis and measurements of seminiferous tubule (ST) total diameters, lumen, epithelium thickness and the relative volume of parenchyma. The ST had circular form in transverse cross sections. November/2005 and December/ 2006 samples had many types of germinative cells and spermatozoa in lumen, but in May/2007 the samples of epithelium were poor regarding meiotic and mitotic pictures, and it was difficult to find any spermatozoon; in many tubules the lumen was inexistent or diminished. In December/2006 and May/2007 the averages were: tubule diameter 110.3 and 5.3m?, lumen 52.4 and 4.5m?, epithelium hickness 57.8 and 0.7m? respectively. The olumetric proportions were: seminiferous epithelium 75.6 and 75.9, cysts in epithelium 2.1 and 1.0, ST 93.3 and 84.0, interstitium 6.2 and 15.6 respectively. The sperm reserves were: 19.7±2 and 0±0 x109 sperm cells in December 2006 and May 2007 respectively. Microscopic measures of seminiferous tubules, spermatic cells and diameter of the nuclei were presented. These data confirm reproductive seasonality, with breeding season in spring-summer with sperm production. A great variation n parenchyma, when compared breeding was noticeable. MenosThe purpose of this study was to study the microscopic morphology of the testicular parenchyma of Rhea americana birds. Fifty-four 2.5±0.5 year-old male adults bred in captivity. were used. During commercial slaughter, samples of testis were collected in November/2005, December/2006 and May/2007, in order to compare possible differences. The samples underwent optical microscopy analysis and measurements of seminiferous tubule (ST) total diameters, lumen, epithelium thickness and the relative volume of parenchyma. The ST had circular form in transverse cross sections. November/2005 and December/ 2006 samples had many types of germinative cells and spermatozoa in lumen, but in May/2007 the samples of epithelium were poor regarding meiotic and mitotic pictures, and it was difficult to find any spermatozoon; in many tubules the lumen was inexistent or diminished. In December/2006 and May/2007 the averages were: tubule diameter 110.3 and 5.3m?, lumen 52.4 and 4.5m?, epithelium hickness 57.8 and 0.7m? respectively. The olumetric proportions were: seminiferous epithelium 75.6 and 75.9, cysts in epithelium 2.1 and 1.0, ST 93.3 and 84.0, interstitium 6.2 and 15.6 respectively. The sperm reserves were: 19.7±2 and 0±0 x109 sperm cells in December 2006 and May 2007 respectively. Microscopic measures of seminiferous tubules, spermatic cells and diameter of the nuclei were presented. These data confirm reproductive seasonality, with breeding season in spring-summer with sperm production. ... Mostrar Tudo |
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Palavras-Chave: |
Morfologia microscópica testicular; Parênquima testicular; Testicular morphology; Túbulos seminíferos. |
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Thesagro: |
Ema; Espermatogênese; Reprodução; Rhea Americana. |
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Thesaurus Nal: |
Ratites; Reproduction; Seminiferous tubules; Spermatogenesis. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/152599/1/Aspects-of-spermatogenesis.pdf
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Marc: |
LEADER 02526naa a2200301 a 4500
001 2059720
005 2017-12-29
008 2016 bl uuuu u00u1 u #d
100 1 $aFRENEAU, G. E.
245 $aAspects of spermatogenesis and microscopic testicular morphology in Greater Rhea, Rhea americana (Linnaeus, 1758).$h[electronic resource]
260 $c2016
520 $aThe purpose of this study was to study the microscopic morphology of the testicular parenchyma of Rhea americana birds. Fifty-four 2.5±0.5 year-old male adults bred in captivity. were used. During commercial slaughter, samples of testis were collected in November/2005, December/2006 and May/2007, in order to compare possible differences. The samples underwent optical microscopy analysis and measurements of seminiferous tubule (ST) total diameters, lumen, epithelium thickness and the relative volume of parenchyma. The ST had circular form in transverse cross sections. November/2005 and December/ 2006 samples had many types of germinative cells and spermatozoa in lumen, but in May/2007 the samples of epithelium were poor regarding meiotic and mitotic pictures, and it was difficult to find any spermatozoon; in many tubules the lumen was inexistent or diminished. In December/2006 and May/2007 the averages were: tubule diameter 110.3 and 5.3m?, lumen 52.4 and 4.5m?, epithelium hickness 57.8 and 0.7m? respectively. The olumetric proportions were: seminiferous epithelium 75.6 and 75.9, cysts in epithelium 2.1 and 1.0, ST 93.3 and 84.0, interstitium 6.2 and 15.6 respectively. The sperm reserves were: 19.7±2 and 0±0 x109 sperm cells in December 2006 and May 2007 respectively. Microscopic measures of seminiferous tubules, spermatic cells and diameter of the nuclei were presented. These data confirm reproductive seasonality, with breeding season in spring-summer with sperm production. A great variation n parenchyma, when compared breeding was noticeable.
650 $aRatites
650 $aReproduction
650 $aSeminiferous tubules
650 $aSpermatogenesis
650 $aEma
650 $aEspermatogênese
650 $aReprodução
650 $aRhea Americana
653 $aMorfologia microscópica testicular
653 $aParênquima testicular
653 $aTesticular morphology
653 $aTúbulos seminíferos
700 1 $aCARVALHO, S. F. M.
700 1 $aMORAIS, S. M. T. S.
700 1 $aFRENEAU, B. N.
773 $tPesquisa Veterinária Brasileira, Rio de Janeiro$gv. 36, n. 10, p. 1045-1952, out. 2016.
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Registro original: |
Embrapa Unidades Centrais (AI-SEDE) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Agroindústria Tropical. Para informações adicionais entre em contato com cnpat.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Agroindústria Tropical. |
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Data corrente: |
03/12/2020 |
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Data da última atualização: |
03/12/2020 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
GOIANA, E. S. S.; DIAS, N. da S.; VIDAL NETO, F. das C.; GOMES FILHO, A. A. H.; SILVA, C. S. B. D.; SARAIVA, W. V. A. |
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Afiliação: |
ELAINE S. S. GOIANA, Laboratório de Entomologia, Embrapa Agroindústria Tropical; NIVIA DA SILVA DIAS PINI, CNPAT; FRANCISCO DAS CHAGAS VIDAL NETO, CNPAT; ANTONIO ABELARDO HERCULANO GOMES FILHO, Engenheiro Agrônomo pela Universidade Federal do Ceará; CHERRE SADE BEZERRA DA SILVA, CNPA; WENNER V. A. SARAIVA, Universidade Federal do Ceará. |
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Título: |
Dwarf cashew antibiotic and antixenotic resistance to the whitefl y Aleurodicus cocois. |
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Ano de publicação: |
2020 |
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Fonte/Imprenta: |
Anais da Academia Brasileira de Ciências, v. 92, (suppl.1) e20180663, 2020. |
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DOI: |
DOI 10.1590/0001-3765202020180663 |
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Idioma: |
Inglês |
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Palavras-Chave: |
Atratividade; Cashew whitefly; Host plant resistance; Mosca-branca do caju; Oviposição; Resistência da planta hospedeira. |
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Thesagro: |
Anacardium Occidentale. |
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Thesaurus NAL: |
Oviposition; Oviposition attractants. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00949naa a2200289 a 4500
001 2127520
005 2020-12-03
008 2020 bl uuuu u00u1 u #d
024 7 $aDOI 10.1590/0001-3765202020180663$2DOI
100 1 $aGOIANA, E. S. S.
245 $aDwarf cashew antibiotic and antixenotic resistance to the whitefl y Aleurodicus cocois.$h[electronic resource]
260 $c2020
650 $aOviposition
650 $aOviposition attractants
650 $aAnacardium Occidentale
653 $aAtratividade
653 $aCashew whitefly
653 $aHost plant resistance
653 $aMosca-branca do caju
653 $aOviposição
653 $aResistência da planta hospedeira
700 1 $aDIAS, N. da S.
700 1 $aVIDAL NETO, F. das C.
700 1 $aGOMES FILHO, A. A. H.
700 1 $aSILVA, C. S. B. D.
700 1 $aSARAIVA, W. V. A.
773 $tAnais da Academia Brasileira de Ciências$gv. 92, (suppl.1) e20180663, 2020.
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Embrapa Agroindústria Tropical (CNPAT) |
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