vasoactivity

/ˌveɪzoʊækˈtɪvɪti/
noun
  1. The quality or state of affecting the diameter of blood vessels.
    • Scientists study vasoactivity to understand how the body regulates blood flow.
    • The vasoactivity of the drug makes it useful for treating high blood pressure.
    • The patient's condition required careful monitoring of vasoactivity during treatment.