Definition of "vasodilation" []

• Dilation of a blood vessel, as by the action of a nerve or drug. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Studies have revealed Pycnogenol restores healthy endothelial function, which helps to maintain healthy circulation by increasing the vasodilation of blood vessels, consequently improving blood flow."
• "Nitric oxide is involved in vasodilation dilation of the blood vessels."
• "* Five clinic visits (not including screening) consisting of blood pressure monitoring, blood draws, an electrocardiogram (ECG), and brachial artery flow mediated vasodilation test (a test to examine the ability of your blood vessels to relax, only 2 throughout the study duration) * Subjects will also be asked to wear a 24-hour blood pressure monitor five times during the study (including screening)."