As you may have noticed, above you will find words for "Active on vessel walls, that is, causing either constriction or dilation of a blood vessel, thus affecting hemodynamics (blood flow). Vasoactive substances may be endogenous (for example, endogenous angiotensin, vasopressin, or epinephrine) or exogenous (for example, pharmaceutical vasopressin or epinephrine).". Hover the mouse over the word you'd like to know more about to view its definition. Click to find a better fitting word. Finally, thanks to ChatGPT, the overall results have been greatly improved.