Thyroid hormone and the energetic cost of keeping body temperature.

  title={Thyroid hormone and the energetic cost of keeping body temperature.},
  author={J Enrique Silva},
  journal={Bioscience reports},
  volume={25 3-4},
By definition, homeothermic species maintain their core temperature (Tc) regulated within narrow limits. In most of these species, the hypothalamic thermostat is set somewhere between 36 and 38 C, and Tc is tightly kept there, in spite of highly variable ambient temperatures. Several mechanisms to maintain body temperature have been selected during evolution. Vasoconstriction and piloerection are mechanisms to save heat, while vasodilatation, sweating and perspiration are mechanisms to rapidly… CONTINUE READING