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Avaliação Histológica Da População De Folículos Pré UNIVERSIDADE FEDERAL FLUMINENSE ALLINE FERREIRA BRASIL AVALIAÇÃO HISTOLÓGICA DA POPULAÇÃO DE FOLÍCULOS PRÉ- ANTRAIS OVARIANOS E DA TAXA DE ATRESIA FOLICULAR EM FÊMEAS DE DIFERENTES ESPÉCIES E POSIÇÕES HIERÁRQUICAS DE Leontopithecus (CALLITRICHIDAE – PRIMATES) MANTIDAS EM CATIVEIRO NITERÓI 2008 ALLINE FERREIRA BRASIL AVALIAÇÃO HISTOLÓGICA DA POPULAÇÃO DE FOLÍCULOS PRÉ-ANTRAIS OVARIANOS E DA TAXA DE ATRESIA FOLICULAR EM FÊMEAS DE DIFERENTES ESPÉCIES E POSIÇÕES HIERÁRQUICAS DE Leontopithecus (CALLITRICHIDAE – PRIMATES) MANTIDAS EM CATIVEIRO Te se apresentada ao Curso de Pós-Graduação em Patologia da Universidade Fe deral Fluminense, como requisito parcial pa ra obtenção do Grau de Doutor. Área de concentração: Anatomia Patológica Humana e Veterinária. Orientador: Dra. Ana Maria Reis Ferreira Niterói 2008 Brasil, Alline Ferreira Avaliação Histológica d a População de Folículos Pré-Antrais Ovarianos e da Taxa de Atresia Folicular em Fêmeas de diferentes espécies e Posições Hierárqu icas de Leontopithecus Sp. (Callitrichidae – Primates) mantidas em Cativeiro / Alline Ferreira Brasil.- Niterói, 2008. 101 f. Tese de Doutorado (An atomia Patológica Humana e Veterinária- Programa de Pós- graduação em Patologia)- Universidade Federal Fluminense Orientador: Dra. Ana Maria Re is Ferreira Bibliografia: f 90-101 1. Leontopithecus. 2 . DEGENERAÇÃO 3. FOLÍCULOS PRÉ- ANTRAIS. I. UNIVERSIDADE FEDERAL FLUMINENSE. II. Título CDD ALLINE FERREIRA BRASIL AVALIAÇÃO HISTOLÓGICA DA POPULAÇÃO DE FOLÍCULOS PRÉ-ANTRAIS OVARIANOS E DA TAXA DE ATRESIA FOLICULAR EM FÊMEAS DE DIFERENTES ESPÉCIES E POSIÇÕES HIERÁRQUICAS DE Leontopithecus (CALLITRICHIDAE – PRIMATES) MANTIDAS EM CATIVEIRO Tese apresentada ao Curso de Pós-Graduação em Patologia da Universidade Federal Fluminense, como requisito parcial para obtenção do Grau de Doutor. Área de concentração: Anatomia Patológica Humana e Veterinária. Aprovada em ----------- de 2008 Banca Examinadora Profª. Drª Gisele Braziliano de Andrade- examinador prévio Universidade Católica Dom Bosco (UCDB) Profª. Drª Terezinha de Jesus. Sirotheau-Corrêa- examinador prévio Universidade Federal Fluminense Profª. Drª Marcela Freire Vallim de Mello Universidade Federal Fluminense Prof. Dr Luiz Altamiro Garcia Nogueira Universidade Federal Fluminense Profª. Drª Daniela de Carvalho Martins Universidade do Grande Rio-UNIGRANRIO Profª. Drª Márcia Souza Cunha Abreu Universidade Federal do Rio de Janeiro Ao meu pai, exemplo de força e determinação. Ao meu pequeno Lucas. AGRADECIMENTOS A Deus, por mais um obstáculo superado e pela fonte inesgotável de força e fé. À professora Dra. Ana Maria Reis Ferreira, por ter aceito o desafio de orientar este estudo. Pela paciência, exemplo de pesquisadora e por ter acreditado no meu trabalho. Ao professor Dr. Alcides Pissinatti, meu co-orientador, pela oportunidade de pesquisar no Centro de Primatologia. Obrigada pela confiança que foi a mim depositada. Ao professor Doutor Ismar Araújo de Moraes, por ter me apresentado o programa de pós-graduação em patologia e ter aberto as portas para a realização de minha tese. Obrigada por toda ajuda em todas as etapas do trabalho e pelo carinho e amizade. À banca examinadora pelas valiosas contribuições ao trabalho. Ao PPG em Patologia em especial à secretária Thereza Fontana, pelo carinho, atenção e extrema paciência durante estes quatro anos. À professora doutora Ana Paula Ribeiro Rodrigues e ao professor Walker André Chagas pelo auxílio na leitura e interpretação das lâminas. Ao funcionário do Laboratório de Histotécnica do HUAP Antônio Carlos, pelo excelente trabalho, dedicação e paciência. Aos funcionários do CPRJ, em especial a Dona Hilda, pelo carinho, atenção e acolhida. Ao professor Doutor Airton Alencar de Araújo e Lauro Boechat pelo auxílio nas análises estatísticas. Às instituições de fomento a pesquisa e à conservação das espécies ameaçadas, entre elas: Fundação Estadual de Engenharia do Meio Ambiente - Rio de Janeiro, FAPERJ – Fundação de Amparo a Pesquisa no Estado do Rio de Janeiro, Durrell Wildlife Conservation Trust (Jersey), American Zoo and Aquarium Association (AZA), Ministério Público Federal e IBAMA, CAPES (Coordenação de Aperfeiçoamento de Pessoal de Nível Superior) pela constante cooperação com o Centro de Primatologia do Rio de Janeiro. Aos meus pais, por sempre acreditarem em mim e pelo estímulo infindável para continuar mais este trabalho. Ao meu marido, Leonardo de Almeida Souza, pelo amor, compreensão dos inúmeros momentos de ausência e pela força dada para continuar esta longa jornada. “Acreditar é o primeiro passo de vários.” Eldo Gomes LISTA DE ILUSTRAÇÕES TABELAS Tabela 1: Distribuição da amostra de indivíduos por espécie e grupo hierárquico.................................................................................................................50. Tabela 2: População mínima e máxima de folículos pré-antrais no ovário direito e esquerdo nas três categorias de fêmeas de Leontopithecus.....................................57 Tabela 3: População média de folículos pré-antrais no ovário direito e esquerdo nas três categorias de fêmeas de Leontopithecus............................................................58 Tabela 4: Percentagem de folículos ovarianos primordiais, primários e secundários em fêmeas de Leontopithecus .de diferentes posições hierárquicas.........................59 Tabela 5: Percentagem de folículos normais e degenerados nas 3 categorias de fêmeas Leonthopithecus............................................................................................60 Tabela 6: Percentagem de folículos degenerados do tipo 1 e 2 nas 3 categorias de fêmeas Leonthopithecus............................................................................................61 Tabela 7: Percentagem de folículos normais e degenerados por categoria folicular nas três categorias de fêmeas de Leontopithecus....................................................63. Tabela 8: Diâmetro médio dos folículos pré-antrais do ovário direito e esquerdo de fêmeas de Leontopithecus rosalia..............................................................................64 Tabela 9: Diâmetro médio do oócito e núcleo do oócito dos folículos pré-antrais do ovário direito e esquerdo de fêmeas de Leontopithecus rosalia................................65 Tabela 10: População média de folículos pré-antrais no ovário direito e esquerdo em fêmeas de Leontopithecus rosalia..............................................................................66 Tabela 11: Percentagem de folículos primordias, primários e secundários em ovários de fêmeas de Leontopithecus rosalia.........................................................................67 Tabela 12: Percentagem de folículos normais e degenerados por categoria folicular em ovários de fêmeas de Leontopithecus rosalia......................................................68 Tabela 13: Diâmetro médio dos folículos pré-antrais do ovário direito e esquerdo de fêmeas de Leontopithecus chrysomelas....................................................................69 Tabela 14: Diâmetro médio do oócito e núcleo do oócito dos folículos pré-antrais do ovário direito e esquerdo de fêmeas de Leontopithecus chrysomelas......................70 Tabela 15. População média de folículos pré-antrais no ovário direito e esquerdo em fêmeas de Leontopithecus chrysomelas....................................................................71 Tabela 16: Percentagem de folículos primordias, primários e secundários em ovários de fêmeas de Leontopithecus chrysomelas..............................................................72 Tabela 17: Percentagem de folículos normais e degenerados por categoria folicular em ovários de fêmeas de Leontopithecus chrysomelas...........................................73 Tabela 18: Diâmetro médio dos folículos pré-antrais do ovário direito e esquerdo de fêmeas de Leontopithecus chryspygus......................................................................74 Tabela 19: Diâmetro médio do oócito e núcleo do oócito dos folículos pré-antrais do ovário direito e esquerdo de fêmeas de Leontopithecus chrysopygus......................75 Tabela 20: População média de folículos pré-antrais no ovário direito e esquerdo em fêmeas de Leontopithecus chrysopygus....................................................................76 Tabela 21: Percentagem de folículos primordias, primários e secundários em ovários de fêmeas de Leontopithecus chrysopygus.................................................................77 Tabela 22: Percentagem de folículos normais e degenerados por categoria folicular em ovários de fêmeas de Leontopithecus chrysopygus.............................................78 FIGURAS Figura 1 – Distribuição geográfica das três espécies de Leontopithecus disponíveis em cativeiro (L. rosalia, L. chrysomelas e L. chrysopygus)........................................26 Figura 2- Figura 2- Folículos pré-antrais normais, A- Folículo primordial, B- Folículos primordiais e um primário, C- Folículo primário, D,E- Folículo secundário (400X).........................................................................................................................80 Figura 3- Figura 3- Folículos pré-antrais degenerados. A-folículos primordiais, B- Folículos primordias e dois primários, C, D- Folículos primários, E- Folículo secundário. (400X).........................................................................................................................81 RESUMO Estudos sobre a foliculogênese pré-antral em mico-leões
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