[Observations on the ultrastructure of the carp liver (Cyprinus carpio L.)].

The paper presents information about the fine structure of the sinusoids, the space of Dissé, the development of the bile canaliculi and some compartments of the hepatocytes in the liver of the carp. The sinusoids are covered completely by flat endothel cells. The plasma of these cells contains numerous vesicles. The endothelial cells possess plasmatic processes, which extend into the space of Dissé. The fine structure of the space of Dissé corresponds to that of mammals, the existence of fibrebundles included. The bile canaliculi don't develop intracellularly as described by other authors. They run intercellularly as in mammals, but they form diverticles which reach into the plasma sideways. The rough ER was found in two types. Outwardly the liver is limited by a layer of connective tissue existing in two different layers.