Fig. 1From: Structural and immunohistochemical analysis of the cellular compositions of the liver of molly fish (Poecilia sphenops), focusing on its immune roleSemithin sections of the hepatic parenchyma of molly fish stained with toluidine blue. AÂ The hepatic parenchyma (HP) was interrupted with islands of connective tissue that enclosed the hepatic vascular and biliary components (arrowheads) and pancreatic tissue (P). BÂ The pancreatic tissue appeared as clusters of hepatopancreatic acini that were composed of groups of serous cells (arrowheads) encircling a vein (V). C and DÂ 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 FÂ The tubular form: many hepatocytes (white arrowheads) were arranged in double layers and the hepatic sinusoids (black arrowheads) were relatively narrow and irregular in shapeBack to article page