Summary
We have demonstrated in previous studies that localized intraabdominal heating of the ewe by means of electric heat sources implanted adjacent to the body wall on the right and left sides within the abdomen initiated panting in a neutral environment, and depressed metabolic heat production in a cold environment, with either no change or a depression of the several body temperatures measured. We have now found that unilateral section of the splanchnic nerves abolishes the typical response to intra-abdominal warming on the operated side without changing the response to warming on the opposite side. This result lends further support to our hypothesis of the existence of important thermoreceptors in the walls of the intestine and rumen, and implicates the splanchnic nerves as the pathway for impulses from these receptors.
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References
Rawson, R. O., Quick, K. P.: J. Appl. Physiol.28, 813–820 (1970).
——: J. Physiol. (Paris)63, 399–402 (1971).
——, Coughlin, R. F.: Science165, 919–920 (1969).
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This work was supported by National Institutes of Health Grant HE-12038 from the National Heart Institute.
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Rawson, R.O., Quick, K.P. Unilateral splanchnotomy: Its effect on the response to intra-abdominal heating in the ewe. Pflugers Arch. 330, 362–365 (1971). https://doi.org/10.1007/BF00588587
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DOI: https://doi.org/10.1007/BF00588587