1 National Council on Radiation Protection (NCRP). 2  Examines the literature on biological effects of exposure to modulated radiofrequency (RF) energy to determine whether present exposure standards and guidelines need to be modified further to take modulation into account.
Vasoconstriction. by admin Leave a Comment. Vasoconstriction is the process of constriction of blood vessels, which may result in decrease of flow of blood. Normal blood flow is necessary for carrying oxygenated blood to all parts of the body and when the normal flow is disrupted it may cause various problems.our doctor should find out the underlying factors that cause vasoconstriction before giving treatment. He may prescribe alpha adrenoreceptor antagonist (which is a vasodilator) for reducing the constriction of blood vessels and increasing blood flow.
vasoconstriction Active narrowing of small arteries as a result of contraction of the circular smooth muscle fibres in their walls. This severely reduces the flow of blood through them. Compare VASODILATATION. vasoconstriction