[The reorganization of the actin cytoskeleton of nuclear erythrocytes and leukocytes in fish, frogs and birds during cell migration].

Changes in the spatial organization of actin filaments of nuclear erythrocytes and leukocytes during their migration in fish, frogs and birds have been studied by the method of confocal laser scanning microscopy. It has been shown that, during movement of cells, the reorganization of cytoskeleton microfilaments in erythrocytes is similar to that in leukocytes. During migration, red blood cells of amphibious and birds form pseudopodia filled with bunches in parallel laid actin filaments.

[Comparative evaluation of morphofunctional organization of vertebrate nuclear blood cells].

Morphometrical parameters, osmoregulatory possibilities, and the membrane reserve value of nuclear hemocytes (leukocytes and erythrocytes) were studied in the main classes of vertebrates by using method of hypoosmotic loads. It has been established that in the fish--mammals line in erythrocytes the absolute reserve of the plasmalemma decreases and the relative area of the cell surface increases. Evolution of leukocytes is accompanied by an increase of the membrane reserve and of the surface area due to a decrease of volume and to a rise of folding of the plasmalemma.

[Comparative estimation of morphofunction characteristics alive and fixed erythrocytes].

The method of power spectroscopy carries out the quantitative analysis of elastic properties of alive cells. It has been established that the highest indicators of elasticity nuclear (amphibious) and denuclearized (mammals) alive erythrocytes are registered in epi- and perinuclear space. When fixing with methanol and drying of cells the greatest values of the elastic modulus are displaced to the periphery of the cells.