Grooming, body extension, and vasomotor responses induced by hypothalamic warming at different ambient temperatures in rats

@article{Tanaka1986GroomingBE,
  title={Grooming, body extension, and vasomotor responses induced by hypothalamic warming at different ambient temperatures in rats},
  author={Hideto Tanaka and Kazuyuki Kanosue and Takeyosi Nakayama and Zaiwen Shen},
  journal={Physiology & Behavior},
  year={1986},
  volume={38},
  pages={145-151}
}
During heat stress, rats extend their body and spread saliva onto their body surfaces (grooming) for evaporative heat loss in addition to tail vasodilation. We investigated the effects of changing hypothalamic (Thy) and ambient (Ta) temperatures on these thermoregulatory responses. The higher the Ta, the lower the Thy at which grooming started when Ta was changed from the thermoneutral zone (24 degrees C) to 28-40 degrees C. At any Ta grooming was induced only when the posterior hypothalamic… CONTINUE READING
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