vasokonstrikció
Vasokonstrikció, also known as vasoconstriction, is the narrowing of blood vessels. This physiological process is crucial for regulating blood flow and blood pressure throughout the body. It occurs when the smooth muscles in the walls of arteries and veins contract, reducing the diameter of the lumen, the hollow space within the vessel.
Several factors can trigger vasokonstrikció. Hormones like adrenaline (epinephrine) and noradrenaline (norepinephrine), released during stress or
The effects of vasokonstrikció are significant. By reducing blood flow to certain areas, it can help conserve