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Mechanisms Regulating Blood Flow to the Skin in Various Age Groups. C. 73–78

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UDC

612.135

Authors

Tveritina Elena Sergeevna
Postgraduate Student, Belgorod National Research University (Belgorod, Russia)

Abstract

Using Laser Doppler Flowmetry we established age-related differences in skin microvessel regulation in adolescents and young people during local heating. In thermoneutral environment, young girls, compared to older girls, had a higher neurogenic and myogenic vascular tone and a similar effect of the pulse wave and chest excursion on the blood flow. However, at local hyperthermia we observed blood flow modulation due to decreasing sympathetic effect on the vascular wall of arterioles, which causes an increase in shunting blood flow through arteriolovenular anastomoses. Older girls had changes mainly in the myogenic tone of the vascular wall with inclusion of passive factors of blood flow regulation, especially pronounced at the given end temperature.

Keywords

skin microvessels, thermoneutral conditions, local hyperthermia, blood flow regulation

References

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