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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 90, No. 5, 1995, pp. 629-632
Bioline Code: oc95127
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 90, No. 5, 1995, pp. 629-632

 en Infection of Oxydoras kneri Bleecker, 1862 (Pisces, Doradidae) by the Acanthocephalan Paracavisoma impudica (Diesing, 1851) Kritcher, 1957
JC Eiras; GC Pavanelli & Mh Machado

Abstract

Infection of Oxydoras kneri by the acanthocephalan
Paracavisoma impudica is described. The parasites do not
penetrate deeply into the host gut wall and do not reach the
muscularis layers. Host reaction is minimal, consisting of
limited fibrosis around the proboscides. Haemorrhages and
lymphocyte infiltration are not observed, and phagocytic cells
are only present occasionally. Oxydoras kneri  is a newly
reported host for Paracavisoma impudica.

Keywords
Oxydoras kneri - Paracavisoma impudica - fishes - acanthocephala - histopathology - Brazil

 
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