vasoconstriction
— Noun
– English
~ decrease in the diameter of blood vessels
vasoconstrictive
— Noun
– English
~ 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
vasoconstrictor
— Noun
– English
~ 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
vasodilation
— Noun
– English
~ dilation of blood vessels (especially the arteries)
vasodilative
— Noun
– English
~ a drug that causes dilation of blood vessels
vasodilator
— Noun
– English
~ a drug that causes dilation of blood vessels
vasopressin
— Noun
– English
~ hormone secreted by the posterior pituitary gland (trade name Pitressin) and also by nerve endings in the hypothalamus; affects blood pressure by stimulating capillary muscles and reduces urine flow by affecting reabsorption of water by kidney tubules
vasopressor
— Noun
– English
~ any agent that produces vasoconstriction and a rise in blood pressure (usually understood as increased arterial pressure)