Figure 4From: Assessment of heavy metal (Cu, Ni, Fe, Co, Mn, Cr, Zn) pollution in effluent dominated rivulet water and their effect on glycogen metabolism and histology of Mastacembelus armatus a) Gills of control Mastacembelus armatus show normal structure of lamellae, erythrocyte (E), nucleus of epithelial cell (NE), pillar cell (PC), secondary lamellae (SL) 400X; Figure b, c and d) Gills of exposed Mastacembelus armatus showing b) complete lamellar fusion (Lfu) coupled with hyperplasia (H) 200X; c) Shrinked lamella (SHL), swelling of lamella (SWL), deformed lamella (DL), curved lamella (CL) 400X; d) Lamellar fusion (Lfu), hyperplasia (HP), necrosis (N), Hypertrophy (HT), epithelial lifting (EL), Lamellae shrinkage (L Shrinkage), Stained with Hematoxylin and Eosin. Back to article page