Ultrastructural aspects of spermatogonesis in Metamicrocotyla macracantha (Alexander, 1954) Koratha, 1955 (Monogenea; Microcotylidae)
Autor(a) principal: | |
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Data de Publicação: | 1995 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da FIOCRUZ (ARCA) |
Texto Completo: | https://www.arca.fiocruz.br/handle/icict/43742 |
Resumo: | Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Departamento de Helmintologia. Laboratório de Helmintos Parasitos de Peixes. Rio de Janeiro, RJ, Brasil. |
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Farias, Maria de Fatima Diniz BaptistaKhon, AnnaBarth, Ortrud Monika2020-09-30T14:35:54Z2020-09-30T14:35:54Z1995FARIAS, Maria de Fatima Diniz Baptista; KOHN, Anna; BARTH, Ortrud Monika. Ultrastructural aspects of spermatogonesis in Metamicrocotyla macracantha (Alexander, 1954) Koratha, 1955 (Monogenea; Microcotylidae). Memórias do Instituto Oswaldo Cruz, Rio de Janeiro, v. 90, n. 5, p. 597-604, Sept./Oct. 1995.0074-0276https://www.arca.fiocruz.br/handle/icict/4374210.1590/S0074-027619950005000101678-8060engFundação Oswaldo Cruz. Instituto Oswaldo Cruz.Metamicrocotyla macracanthaUltraestruturaEspermatogêneseEspermagêneseEspermatozóidesMonogeneaUltrastructureMonogeneaSpermatogenesisSpermiogenesisSpermatozoaMetamicrocotyla macracanthaUltrastructural aspects of spermatogonesis in Metamicrocotyla macracantha (Alexander, 1954) Koratha, 1955 (Monogenea; Microcotylidae)info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleFundação Oswaldo Cruz. Instituto Oswaldo Cruz. Departamento de Helmintologia. Laboratório de Helmintos Parasitos de Peixes. Rio de Janeiro, RJ, Brasil.Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Departamento de Helmintologia. Laboratório de Helmintos Parasitos de Peixes. Rio de Janeiro, RJ, Brasil.Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Departamento de Virologia. Laboratório de Ultraestrutura Viral. Rio de Janeiro, RJ, Brasil.Ultrastructural aspects of spermatogenesis, spermiogenesis and of the mature spermatozoon of a microcotylid monogenean Metamicrocotyla macracantha parasite from Mugil liza, are described. The irregularly-shaped spermatogonia divides by successive mitoses, forming the primary spermatocytes, identified by the presence of synaptonemal complexes in their nuclei. The spermatids formed by meiotic cell divisions of the secondary spermatocytes, differentiate into a mature spermatozoon. Cross sections of the head and the middle region of mature spermatozoa show the nucleus with strong condensed chromatin, the mitochondria with short cristae, peripheral microtubules and two axonemes with a 9+1 pattern, confirming the characteristics of this genus.info:eu-repo/semantics/openAccessreponame:Repositório Institucional da FIOCRUZ (ARCA)instname:Fundação Oswaldo Cruz (FIOCRUZ)instacron:FIOCRUZLICENSElicense.txtlicense.txttext/plain; charset=utf-82991https://www.arca.fiocruz.br/bitstream/icict/43742/1/license.txt5a560609d32a3863062d77ff32785d58MD51ORIGINALOrtrudMBarth_AnnaKhon_MFFarias_IOC_1995.pdfOrtrudMBarth_AnnaKhon_MFFarias_IOC_1995.pdfapplication/pdf581029https://www.arca.fiocruz.br/bitstream/icict/43742/2/OrtrudMBarth_AnnaKhon_MFFarias_IOC_1995.pdfb36aad82999c327a672dd06f105b0f4fMD52TEXTOrtrudMBarth_AnnaKhon_MFFarias_IOC_1995.pdf.txtOrtrudMBarth_AnnaKhon_MFFarias_IOC_1995.pdf.txtExtracted 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dc.title.pt_BR.fl_str_mv |
Ultrastructural aspects of spermatogonesis in Metamicrocotyla macracantha (Alexander, 1954) Koratha, 1955 (Monogenea; Microcotylidae) |
title |
Ultrastructural aspects of spermatogonesis in Metamicrocotyla macracantha (Alexander, 1954) Koratha, 1955 (Monogenea; Microcotylidae) |
spellingShingle |
Ultrastructural aspects of spermatogonesis in Metamicrocotyla macracantha (Alexander, 1954) Koratha, 1955 (Monogenea; Microcotylidae) Farias, Maria de Fatima Diniz Baptista Metamicrocotyla macracantha Ultraestrutura Espermatogênese Espermagênese Espermatozóides Monogenea Ultrastructure Monogenea Spermatogenesis Spermiogenesis Spermatozoa Metamicrocotyla macracantha |
title_short |
Ultrastructural aspects of spermatogonesis in Metamicrocotyla macracantha (Alexander, 1954) Koratha, 1955 (Monogenea; Microcotylidae) |
title_full |
Ultrastructural aspects of spermatogonesis in Metamicrocotyla macracantha (Alexander, 1954) Koratha, 1955 (Monogenea; Microcotylidae) |
title_fullStr |
Ultrastructural aspects of spermatogonesis in Metamicrocotyla macracantha (Alexander, 1954) Koratha, 1955 (Monogenea; Microcotylidae) |
title_full_unstemmed |
Ultrastructural aspects of spermatogonesis in Metamicrocotyla macracantha (Alexander, 1954) Koratha, 1955 (Monogenea; Microcotylidae) |
title_sort |
Ultrastructural aspects of spermatogonesis in Metamicrocotyla macracantha (Alexander, 1954) Koratha, 1955 (Monogenea; Microcotylidae) |
author |
Farias, Maria de Fatima Diniz Baptista |
author_facet |
Farias, Maria de Fatima Diniz Baptista Khon, Anna Barth, Ortrud Monika |
author_role |
author |
author2 |
Khon, Anna Barth, Ortrud Monika |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
Farias, Maria de Fatima Diniz Baptista Khon, Anna Barth, Ortrud Monika |
dc.subject.other.pt_BR.fl_str_mv |
Metamicrocotyla macracantha Ultraestrutura Espermatogênese Espermagênese Espermatozóides Monogenea |
topic |
Metamicrocotyla macracantha Ultraestrutura Espermatogênese Espermagênese Espermatozóides Monogenea Ultrastructure Monogenea Spermatogenesis Spermiogenesis Spermatozoa Metamicrocotyla macracantha |
dc.subject.en.pt_BR.fl_str_mv |
Ultrastructure Monogenea Spermatogenesis Spermiogenesis Spermatozoa Metamicrocotyla macracantha |
description |
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Departamento de Helmintologia. Laboratório de Helmintos Parasitos de Peixes. Rio de Janeiro, RJ, Brasil. |
publishDate |
1995 |
dc.date.issued.fl_str_mv |
1995 |
dc.date.accessioned.fl_str_mv |
2020-09-30T14:35:54Z |
dc.date.available.fl_str_mv |
2020-09-30T14:35:54Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.citation.fl_str_mv |
FARIAS, Maria de Fatima Diniz Baptista; KOHN, Anna; BARTH, Ortrud Monika. Ultrastructural aspects of spermatogonesis in Metamicrocotyla macracantha (Alexander, 1954) Koratha, 1955 (Monogenea; Microcotylidae). Memórias do Instituto Oswaldo Cruz, Rio de Janeiro, v. 90, n. 5, p. 597-604, Sept./Oct. 1995. |
dc.identifier.uri.fl_str_mv |
https://www.arca.fiocruz.br/handle/icict/43742 |
dc.identifier.issn.pt_BR.fl_str_mv |
0074-0276 |
dc.identifier.doi.none.fl_str_mv |
10.1590/S0074-02761995000500010 |
dc.identifier.eissn.none.fl_str_mv |
1678-8060 |
identifier_str_mv |
FARIAS, Maria de Fatima Diniz Baptista; KOHN, Anna; BARTH, Ortrud Monika. Ultrastructural aspects of spermatogonesis in Metamicrocotyla macracantha (Alexander, 1954) Koratha, 1955 (Monogenea; Microcotylidae). Memórias do Instituto Oswaldo Cruz, Rio de Janeiro, v. 90, n. 5, p. 597-604, Sept./Oct. 1995. 0074-0276 10.1590/S0074-02761995000500010 1678-8060 |
url |
https://www.arca.fiocruz.br/handle/icict/43742 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.publisher.none.fl_str_mv |
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. |
publisher.none.fl_str_mv |
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. |
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reponame:Repositório Institucional da FIOCRUZ (ARCA) instname:Fundação Oswaldo Cruz (FIOCRUZ) instacron:FIOCRUZ |
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Repositório Institucional da FIOCRUZ (ARCA) |
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