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vascular
(redirected from vascular tone)

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.01 sec.
vascular
Biology anatomy of, relating to, or having vessels that conduct and circulate liquids

vascular [′vas·kyə·lər]
(anatomy)
Pertaining to blood vessels or other channels for the conveyance of a body fluid.


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The vascular endothelium acts as a "plasma-tissue barrier" and has a crucial role in controlling vascular function, with the balance between endothelium-derived vasodilators and vasoconstrictors determining vascular tone and the patholophysiologic consequences (Hurrairah & Ferro, 2004).
In conclusion, the results suggest that ASX-O may act in modulating the blood fluidity in hypertension, and that the antihypertensive effects of ASX-O may be exerted through mechanisms including normalization of the sensitivity of the adrenoceptor sympathetic pathway, particularly [alpha]-adrenoceptors, and by restoration of the vascular tone through attenuation of the Ang II- and reactive oxygen species (ROS)-induced vasoconstriction.
Dark circles develop when your body doesn't have time to strengthen your veins while you sleep: "If vascular tone isn't allowed to improve overnight, then you'll see the dark blood vessels under the eyes that are essentially weak and leaking," says Elizabeth K.
 
 
 
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