Abstract
In the 4-, 13-, 30-, and 65–90-day old anestetized Wistar rats (8–15 rats in each group) the voluminous blood flow rate was measured in liver, kidney, small intestine wall, and in the predominantly white gracilis muscle of femur. A LAKK-01 laser-Doppler flowmeter and its cutaneous (for kidney) and needle (for other organs) probes were used; they provided estimation of blood flow to the tissue depth of about 1 mm. It has been found that the blood flow rates (per organ mass unit) fall in liver, intestine, and even more in muscle, whereas increase in kidney, particularly for the first month of life. Calculations show that in adult rats as compared with the 4-day old pups (with their mass exceeding 22 times) the blood flow to muscle, liver, intestine, and kidney should rise (with taking into account the increase of mass of the organs) 14, 17, 18, and 43 times, respectively.
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Original Russian Text © B. M. Belichenko, T. A. Grigorieva, U. V. Shyyrapai, R. I. Aizman, K. A. Shoshenko, 2009, published in Zhurnal Evolyutsionnoi Biokhimii i Fiziologii, 2009, Vol. 45, No. 2, pp. 197–201.
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Belichenko, B.M., Grigorieva, T.A., Shyyrapai, U.V. et al. Dynamics of organ blood flow in rats in postnatal ontogenesis. J Evol Biochem Phys 45, 246–251 (2009). https://doi.org/10.1134/S0022093009020078
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DOI: https://doi.org/10.1134/S0022093009020078