Vasoconstriction is narrowing or constriction of the blood vessels. It happens when smooth muscles in blood vessel walls tighten. This makes the blood vessel opening smaller. “Vaso” actually means ...

Thermoregulation is the biological mechanism responsible for maintaining a steady internal body temperature. The three mechanisms of thermoregulation are efferent responses, afferent sensing, and ...

This study evaluated peripheral vasoconstriction in extremely low birth weight (ELBW) infants when body temperature decreased during the first 12 h of life. Most ELBW infants did not exhibit ...