[Comparative study of the proliferative activity of blood vessel cells of various calibers].
Proliferative activity of the main tissue components of aorta, inferior vena cava and small vessels of paravasal tissues has been studied in 7 white adult rats after repeated injections of 3H-thymidine (12 injections of 0.8 microCi/g with the interval of 8 h). The greatest number of labelled endotheliocytes is revealed in capillaries, small and medium veins (29.4 +/- 6.2%). Proliferative activity of smooth muscle cells in arterioles was by 2 times greater than in other vessels. There was no difference between the number of labelled fibroblasts in the media of all types of studied vessels.
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D000818:Animals; D001012:Aorta, Abdominal / Q000166:cytology*; D001013:Aorta, Thoracic / Q000166:cytology*; D001345:Autoradiography / Q000379:methods; D002196:Capillaries / Q000166:cytology; D002455:Cell Division / Q000502:physiology; D004730:Endothelium, Vascular / Q000166:cytology*; D005347:Fibroblasts / Q000166:cytology; D008297:Male; D009131:Muscle, Smooth, Vascular / Q000166:cytology*; D051381:Rats; D014682:Vena Cava, Inferior / Q000166:cytology*
Sravnitel'noe izuchenie proliferativnoĭ aktivnosti kletok sosudov raznogo kalibra.