Thermoregulation mechanism of fever Thermoregulation center 1. The positive regulation preoptic anterior hypothalamus, POAH 2. The negative regulation medial amygdaloid nucleus, MAN ventral septal area, VSAThermoregulation mechanism of fever 一. Thermoregulation center 1. The positive regulation preoptic anterior hypothalamus, POAH 2. The negative regulation medial amygdaloid nucleus,MAN ventral septal area,VSA