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vasodilation Line breaks: vaso|dila¦tion
Pronunciation: /ˌveɪzəʊdʌɪˈleɪʃ(ə)n/
(also vasodilatation ˌveɪzəʊˌdʌɪleɪˈteɪʃ(ə)n)

Definition of vasodilation in English:


The dilatation of blood vessels, which decreases blood pressure.
Example sentences
  • Effects include venous and arteriolar vasodilatation, which decreases oxygen demand.
  • Apyrase, an enzyme in tick saliva, may maintain blood flow into the bite by stimulating local vasodilation and preventing platelet aggregation.
  • Many patients with diabetes, however, have no change in palpable temperature due to distal vasodilation related to autonomic neuropathy.



Pronunciation: /ˌveɪzəʊdʌɪˈleɪtə/
Example sentences
  • This agent is a selective pulmonary vasodilator that improves oxygenation and lowers pulmonary vascular resistance without systemic hemodynamic effects.
  • Because nitric oxide is a vasodilator and inhibitor of platelet aggregation and adhesion, hypomagnesemia may stimulate vasoconstriction and possibly even coronary thrombosis.
  • Nitroprusside is a arterial and venous vasodilator.


Pronunciation: /ˌveɪzəʊdʌɪˈleɪt(ə)ri/
Example sentences
  • Research has shown ginkgo to have some vasodilatory properties.
  • In patients with heart failure, blood flow to muscles does not increase normally during exercise because of reduced cardiac output and impaired peripheral vasodilatory capacity.
  • Hypothetically, this increased blood supply results in a compromised vasodilatory response that also may hasten tissue damage.

Definition of vasodilation in:

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