VASOCONSTRICTION By N., Pam M.S. - April 29, 2013 noun. thinning of blood vessels, that is managed by vasomotor nerves of the SNS or via agents like the vasopressin or sympathomimetic drugs. VASOCONSTRICTION: "Vasoconstriction will elevate your blood pressure." Related Psychology Terms VASOCONSTRICTOR VASODILATION ANASTOMOSIS SYMPATHOMIMETIC DRUGS CARDIOVASCULAR (CV) PARASYMPATHETIC NERVOUS SYSTEM THROMBOSIS VASOPRESSIN CALCIUM-CHANNEL BLOCKCRS PHARMACOGENETICS Cite this page: N., Pam M.S., "VASOCONSTRICTION," in PsychologyDictionary.org, April 29, 2013, https://psychologydictionary.org/vasoconstriction/ (accessed October 25, 2020).