Definition of vasodilator
: an agent (such as a parasympathetic nerve fiber or a drug) that induces or initiates vasodilation
Recent Examples of vasodilator from the Web
In vasodilator perfusion imaging, patients first get an infusion of a drug called dipyridamole, which increases blood flow through the heart.
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Learn More about vasodilator
Britannica.com: Encyclopedia article about vasodilator
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