You searched for: “angiohypertonia
angiohypertonia (s) (noun), angiohypertonias (pl)
Also known as "vasospasm", the sudden decrease in the internal diameter of a blood vessel that results from contraction of smooth muscles within the wall of the vessel. An angiohypertonia causes a decrease in blood flow, but an increase in systemic vascular resistance or "vasoconstriction".