Term Name: vasoconstriction
Synonyms: negative regulation of blood vessel size
Definition: A decrease in the diameter of blood vessels, especially arteries, due to constriction of smooth muscle cells that line the vessels, and usually causing an increase in blood pressure.
Ontology: GO: Biological Process [GO:0042310]    QuickGO    AmiGO

Relationships
is a type of: blood vessel diameter maintenance
has subtype: angiotensin-mediated vasoconstriction involved in regulation of systemic arterial blood pressure norepinephrine-epinephrine vasoconstriction involved in regulation of systemic arterial blood pressure vascular associated smooth muscle contraction vasoconstriction by vasopressin involved in systemic arterial blood pressure control vasoconstriction of artery involved in baroreceptor response to lowering of systemic arterial blood pressure vasoconstriction of artery involved in chemoreceptor response to lowering of systemic arterial blood pressure vasoconstriction of artery involved in ischemic response to lowering of systemic arterial blood pressure
negatively regulated by: negative regulation of vasoconstriction
positively regulated by: positive regulation of vasoconstriction
regulated by: regulation of vasoconstriction