vasoconstricción
Vasoconstricción refers to the narrowing of blood vessels. This process is a physiological response that reduces blood flow to a specific area. It occurs when the smooth muscle in the walls of blood vessels contracts. This contraction is typically triggered by various stimuli, including nerve signals, hormones like norepinephrine and angiotensin II, and certain chemicals.
The primary function of vasoconstriction is to regulate blood pressure and blood flow distribution. When blood
Several factors can induce vasoconstriction. Cold temperatures, pain, stress, and certain medications are common triggers. Conditions