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Fig. 1 | Zoological Letters

Fig. 1

From: Structural and immunohistochemical analysis of the cellular compositions of the liver of molly fish (Poecilia sphenops), focusing on its immune role

Fig. 1

Semithin sections of the hepatic parenchyma of molly fish stained with toluidine blue. A The hepatic parenchyma (HP) was interrupted with islands of connective tissue that enclosed the hepatic vascular and biliary components (arrowheads) and pancreatic tissue (P). B The pancreatic tissue appeared as clusters of hepatopancreatic acini that were composed of groups of serous cells (arrowheads) encircling a vein (V). C and D The hepatic parenchymal arrangement showed cord-like form; most hepatocytes (white arrowheads) were arranged in simple layers and the hepatic sinusoids (black arrowheads) were relatively straight and enlarged. E and F The tubular form: many hepatocytes (white arrowheads) were arranged in double layers and the hepatic sinusoids (black arrowheads) were relatively narrow and irregular in shape

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