Fig. 2 in Histopathological alterations in Astyanax bifasciatus (Teleostei: Characidae) correlated with land uses of surroundings of streams

Fig. 2. Photomicrograph of gills of Astyanax bifasciatus from streams of the basin of the lower Iguaçu River. a. Normal aspect of gill in forest stream (F1), F - filament, L - lamellae. b. Lamellar oedema (arrows) in forest stream (F2). c. Lamellar aneurysm (*) in urban stream (U1). d. Lamellar hyperplasia (arrows) in rural stream (R2). e. Lamellar hyperplasia (arrows) in highest magnification in rural stream (R2). f. Partial fusion of lamellae (*) in rural stream (R1). g. Epithelium rupture and hemorrhage (arrow) in urban stream (U2). h. Mitochondria-rich cells hyperplasia (arrow) and mucous cells hyperplasia (head of arrow) in urban stream (U2). a-g. Stained Hematoxylin Harris and eosin. h. Stained toluidine blue.