Fig. 3 in Histopathological alterations in Astyanax bifasciatus (Teleostei: Characidae) correlated with land uses of surroundings of streams

Fig. 3. Photomicrograph of liver of Astyanax bifasciatus in streams of the basin of the lower Iguaçu River. a. Normal liver, central vein (CV), and sinusoids capillary (S) in forest stream (F1). b. Tubular arrangement of hepatocytes (H), nucleus (arrow), nucleolus (head of arrow), and centrilobular vein (*) in forest stream (F1); c. Pancreatic tissue (*), presence of eosinophils around the hepatopancreas tissue (arrow) in forest stream (F2). d. Presence of picnotic nucleus (head of arrow) and nuclear hypertrophy (arrow) in rural stream (R2). e. Cytoplasmic degeneration (*), the picnotic nucleus (arrow), the nucleus in a lateral position (head of arrow) in urban stream (U2). f. Picnotic nucleus (head of arrow) and cytoplasmic vacuolization (*) in rural stream (R2). g. Leukocyte infiltration (arrow) in urban stream (U1). h. Melanomacrophage aggregates (arrows) around the central vein (CV) in urban stream (U2). Stained Hematoxylin Harris and eosin.