Term: angiotensin: any of several vasoconstrictor substances (trade name Hypertensin) that cause narrowing of blood vessels
Broader: vasoconstrictor: any agent that causes a narrowing of an opening of a blood vessel: cold or stress or nicotine or epinephrine or norepinephrine or angiotensin or vasopressin or certain drugs; maintains or increases blood pressure | Unrelated: publisher: the proprietor of a newspaper