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Fig. 3 | Parasites & Vectors

Fig. 3

From: Nematode infection in liver of the fish Gymnotus inaequilabiatus (Gymnotiformes: Gymnotidae) from the Pantanal Region in Brazil: pathobiology and inflammatory response

Fig. 3

a Transmission electron microscope micrograph showing three layers which formed the granuloma; inner layer formed by epithelioid cells (arrows), mast cells (curved arrows) of the middle layer, fibroblasts (thick arrows) and connective fibres (arrowheads) of the outer layers. b The epithelioid cells (arrows) surrounding the nematode larva (asterisk); note the foamy aspect of the epithelioid cells. c Numerous desmosomes (arrows) between epithelioid cells are visible. d Interdigitation (curved arrows) and desmosomes (arrows) between the epithelioid cells. Scale-bars: a, 3.64 μm; b, 3.57 μm; c, 0.26 μm; d, 0.25 μm

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