Ultrastructural aspects of spermatogonesis in Metamicrocotyla macracantha (Alexander, 1954) Koratha, 1955 (Monogenea; Microcotylidae)

Detalhes bibliográficos
Autor(a) principal: Farias, Maria de Fatima Diniz Baptista
Data de Publicação: 1995
Outros Autores: Khon, Anna, Barth, Ortrud Monika
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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spelling 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.
dc.source.none.fl_str_mv reponame:Repositório Institucional da FIOCRUZ (ARCA)
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instacron:FIOCRUZ
instname_str Fundação Oswaldo Cruz (FIOCRUZ)
instacron_str FIOCRUZ
institution FIOCRUZ
reponame_str Repositório Institucional da FIOCRUZ (ARCA)
collection Repositório Institucional da FIOCRUZ (ARCA)
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