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Parasitism with Acanthocephalus ranae in frogs (Pelophylax ridibundus Pallas 1771), from North-east Romania

O. C. Iacob

O. C. Iacob

Department of Parasitology and Parasitic Diseases, Faculty of Veterinary Medicine, University of Agricultural Sciences and Veterinary Medicine ”Ion Ionescu de la Brad” in IasiIasi, Romania
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Iacob, O. C.
  
10. Feb. 2021
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Artikel-Kategorie: Research Article
Online veröffentlicht: 10. Feb. 2021
Seitenbereich: 68 - 73
Eingereicht: 03. Juni 2020
Akzeptiert: 01. Dez. 2020
DOI: https://doi.org/10.2478/helm-2021-0008
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© 2021 O. C. Iacob, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Fig. 1

Pelophylax ridibundus: parasites anchored in the intestinal mucosa (digital photo).
Pelophylax ridibundus: parasites anchored in the intestinal mucosa (digital photo).

Fig. 2 a, b, c, d.

Pelophylax ridibundus infected with A. ranae. Small intestine. a. Destruction of villi tissue architecture (DVA), epithelial hyperplasia (EH), inflammatory infiltrate (II). b. Around the acanthocephalans (Ac.), the mucosa is injured (IM), with abundant inflammatory cell infiltrate(ICI) in glandular crypts (GC) and villous fibrosis (VF). c. The effect of parasitism consists in partial or total destruction of the villi (VD) the disappearance of the mucosal epithelium (DME) and discovery of the conjunctival axis (DCA), and general atrophy. d. Catarrhal jejunitis: hyperplasia and edematous infiltration of the submucosa and musculosa (HEM), ulcerative areas (UA) and inflammatory infiltrate, necrobiosis and cell necrosis processes, and areas with total atrophy (TA) of the intestinal mucosa (Trichormic Masson stain x 100, 200).
Pelophylax ridibundus infected with A. ranae. Small intestine. a. Destruction of villi tissue architecture (DVA), epithelial hyperplasia (EH), inflammatory infiltrate (II). b. Around the acanthocephalans (Ac.), the mucosa is injured (IM), with abundant inflammatory cell infiltrate(ICI) in glandular crypts (GC) and villous fibrosis (VF). c. The effect of parasitism consists in partial or total destruction of the villi (VD) the disappearance of the mucosal epithelium (DME) and discovery of the conjunctival axis (DCA), and general atrophy. d. Catarrhal jejunitis: hyperplasia and edematous infiltration of the submucosa and musculosa (HEM), ulcerative areas (UA) and inflammatory infiltrate, necrobiosis and cell necrosis processes, and areas with total atrophy (TA) of the intestinal mucosa (Trichormic Masson stain x 100, 200).
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