Histopathological aspects of the relationship Saimiri sciureus × Prosthenorchis elegans (Acanthocephala) in a preserved environment of an urban rainforest fragment
Abstract Non-human primates are potential hosts for helminths of various phyla, and the presence of these parasites can cause changes in organ morphology and functionality. In this study, we present the alterations induced by the presence of acanthocephalan parasites in the small intestine of a snub...
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Colégio Brasileiro de Parasitologia Veterinaria
2025-03-01
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| Series: | Revista Brasileira de Parasitologia Veterinária |
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| author | Rogério Antonio Ribeiro Rodrigues Washington Luiz Assunção Pereira Raul Henrique da Silva Pinheiro Elane Guerreiro Giese |
| author_facet | Rogério Antonio Ribeiro Rodrigues Washington Luiz Assunção Pereira Raul Henrique da Silva Pinheiro Elane Guerreiro Giese |
| author_sort | Rogério Antonio Ribeiro Rodrigues |
| collection | DOAJ |
| description | Abstract Non-human primates are potential hosts for helminths of various phyla, and the presence of these parasites can cause changes in organ morphology and functionality. In this study, we present the alterations induced by the presence of acanthocephalan parasites in the small intestine of a snub-nosed monkey that died in the Bosque Rodrigues Alves, municipality of Belém, Pará state, Brazil. Ten specimens of Saimiri sciureus had their intestines analyzed and the parasites recovered were cleaned, quantified, fixed and observed using light microscopy and scanning electron microscopy, and fragments of the intestine were separated for histological analysis to identify the alterations. All the animals were parasitized, and a total of 50 specimens representing the Acanthocephala Phylum were recovered, which morphologically showed characteristics compatible with Prosthenorchis elegans (Diesing, 1851). Light microscopy revealed the presence of parasites attached to the mucosal layer, passing through the underlying layers until they reached the muscular layer. Scanning electron microscopy showed the tissue lesions caused by the proboscis hooks and the flattening of the intestinal villi in the presence of the parasite. The presence of the parasites in the intestine changed the morphology of the organ, possibly causing loss of functionality at the site of attachment and adjacent tissue. |
| format | Article |
| id | doaj-art-fd2803d07e3a40098b625407cb4d1d67 |
| institution | OA Journals |
| issn | 1984-2961 |
| language | English |
| publishDate | 2025-03-01 |
| publisher | Colégio Brasileiro de Parasitologia Veterinaria |
| record_format | Article |
| series | Revista Brasileira de Parasitologia Veterinária |
| spelling | doaj-art-fd2803d07e3a40098b625407cb4d1d672025-08-20T02:26:02ZengColégio Brasileiro de Parasitologia VeterinariaRevista Brasileira de Parasitologia Veterinária1984-29612025-03-0134110.1590/s1984-29612025013Histopathological aspects of the relationship Saimiri sciureus × Prosthenorchis elegans (Acanthocephala) in a preserved environment of an urban rainforest fragmentRogério Antonio Ribeiro Rodrigueshttps://orcid.org/0000-0001-9025-4976Washington Luiz Assunção Pereirahttps://orcid.org/0000-0001-7140-8124Raul Henrique da Silva Pinheirohttps://orcid.org/0000-0003-3221-5017Elane Guerreiro Giesehttps://orcid.org/0000-0001-7833-1334Abstract Non-human primates are potential hosts for helminths of various phyla, and the presence of these parasites can cause changes in organ morphology and functionality. In this study, we present the alterations induced by the presence of acanthocephalan parasites in the small intestine of a snub-nosed monkey that died in the Bosque Rodrigues Alves, municipality of Belém, Pará state, Brazil. Ten specimens of Saimiri sciureus had their intestines analyzed and the parasites recovered were cleaned, quantified, fixed and observed using light microscopy and scanning electron microscopy, and fragments of the intestine were separated for histological analysis to identify the alterations. All the animals were parasitized, and a total of 50 specimens representing the Acanthocephala Phylum were recovered, which morphologically showed characteristics compatible with Prosthenorchis elegans (Diesing, 1851). Light microscopy revealed the presence of parasites attached to the mucosal layer, passing through the underlying layers until they reached the muscular layer. Scanning electron microscopy showed the tissue lesions caused by the proboscis hooks and the flattening of the intestinal villi in the presence of the parasite. The presence of the parasites in the intestine changed the morphology of the organ, possibly causing loss of functionality at the site of attachment and adjacent tissue.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-29612025000100403&lng=en&tlng=enHelminthsintestinal parasiteSquirrel monkeysneotropical primatesAmazon |
| spellingShingle | Rogério Antonio Ribeiro Rodrigues Washington Luiz Assunção Pereira Raul Henrique da Silva Pinheiro Elane Guerreiro Giese Histopathological aspects of the relationship Saimiri sciureus × Prosthenorchis elegans (Acanthocephala) in a preserved environment of an urban rainforest fragment Revista Brasileira de Parasitologia Veterinária Helminths intestinal parasite Squirrel monkeys neotropical primates Amazon |
| title | Histopathological aspects of the relationship Saimiri sciureus × Prosthenorchis elegans (Acanthocephala) in a preserved environment of an urban rainforest fragment |
| title_full | Histopathological aspects of the relationship Saimiri sciureus × Prosthenorchis elegans (Acanthocephala) in a preserved environment of an urban rainforest fragment |
| title_fullStr | Histopathological aspects of the relationship Saimiri sciureus × Prosthenorchis elegans (Acanthocephala) in a preserved environment of an urban rainforest fragment |
| title_full_unstemmed | Histopathological aspects of the relationship Saimiri sciureus × Prosthenorchis elegans (Acanthocephala) in a preserved environment of an urban rainforest fragment |
| title_short | Histopathological aspects of the relationship Saimiri sciureus × Prosthenorchis elegans (Acanthocephala) in a preserved environment of an urban rainforest fragment |
| title_sort | histopathological aspects of the relationship saimiri sciureus prosthenorchis elegans acanthocephala in a preserved environment of an urban rainforest fragment |
| topic | Helminths intestinal parasite Squirrel monkeys neotropical primates Amazon |
| url | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-29612025000100403&lng=en&tlng=en |
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