Agarose migration test has shown that nuclear erythrocytes of Cyprinus carpio, Rana ridibunda, and Gallus domesticus are capable for spontaneous locomotions. The migration of red blood cells from frogs is associated with formations of long pseudopodia, whereas that from carps and hens--with short protrusions. It has been shown that migratory activity of nuclear erythrocytes and leukocytes from Rana ridibunda and Gallus domesticus under effect of temperature in vitro had seasonal nature, while that from Cyprinus carpio did not depend on the year season. In frogs and hens the circadian oscillations of blood cell migration area are coupled with the organism functional activity, whereas no such associations is present in carps.
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