Morphological and morphometric features of nematode-cysts in Gymnotus inaequilabiatus liver in the Brazilian Pantanal
| Autor: | Sandriely Fernanda Marcondes, Priscilla Barbosa Ferreira Soares, Gizela M. Galindo, Robson Andrade Rodrigues, Carlos Eurico dos Santos Fernandes, Luiz E. R. Tavares |
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| Rok vydání: | 2017 |
| Předmět: |
0106 biological sciences
Nematoda 040301 veterinary sciences 010607 zoology Biology 01 natural sciences melanomacrófagos 0403 veterinary science Brevimulticaecum sp Paratenic parasitic diseases medicine Animals Cyst nematoda lcsh:SF1-1100 Mean diameter General Veterinary Histopathological analysis melanomacrophages Gymnotiformes 04 agricultural and veterinary sciences Hepatic tissue Anatomy Gymnotus inaequilabiatus biology.organism_classification medicine.disease Nematode Liver Wetlands Parasitology lcsh:Animal culture Liver parenchyma Brazil |
| Zdroj: | Revista Brasileira de Parasitologia Veterinária, Volume: 26, Issue: 3, Pages: 285-291, Published: 24 AUG 2017 Revista Brasileira de Parasitologia Veterinária v.26 n.3 2017 Revista Brasileira de Parasitologia Veterinária Colégio Brasileiro de Parasitologia Veterinária (CBPV) instacron:CBPV Revista Brasileira de Parasitologia Veterinária, Iss 0 (2017) |
| ISSN: | 1984-2961 |
| Popis: | The aim of this study was to determine the morphometric measures and morphological aspects of nematode-cysts in Gymnotus inaequilabiatus, and the presence of melanomacrophage centers (MMCs) associated with the periphery of cysts and in the liver parenchyma. Adult specimens, 34 female (123.1 ± 43.9g) and 45 male (135.5 ± 43.4g), from Paraguay River, Corumbá, Brazil, were used. The number of nematode-cysts was determined in 79 livers and 25 of them randomly selected for histopathological analysis and morphometric measures of nematode-cysts (mean diameter, thickness of collagen layer, and cyst-wall layer). The percentage of cysts with MMCs on the periphery and density in the liver parenchyma was estimated. The average number of macroscopic cysts was of 48.7 ± 2.78. Granulomatous reaction was observed surrounding the cysts. Diameter, collagen layer and cyst-wall measurements were 293.0 ± 75.18 (µm), 17.72 ± 6.01 (µm) and 12.21 ± 9.51 (µm), respectively. The number of nematode-cysts was correlated with hepatosomatic index, (r=0.26, P |
| Databáze: | OpenAIRE |
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