Summary
The author studied the reaction of the denervated thyroid gland to conditioned defense stimuli. The functional state of the gland was determined from changes in its content of radioactive iodine (I131). Experiments on dogs with denervated thyroids showed that after denervation cortical influences still reach the thyroid is gland. But the reaction of the denervated thyroid is different from that of the normal thyroid: it is more pronounced and more prolonged than normal.
Dogs subjected to a second operation-removal of one adrenal gland and denervation of the other-reacted in a manner suggesting that the response of denervated thyroids is due to sensitization of the gland cells to epinephrine, as well as to denervation of the blood vessels of the thyroid.
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Literature Cited
M. G. Amiragova, Abstracts of the All-Union Scientific and Technical Conference on the Use of Radioactive and Stable Isotopcs and Radiation in the National Economy and Science [in Russian] (Moscow, 1957) p. 164.
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U. Söderberg, Short Term Reactions in the Thyroid Gland (Stockholm, 1958).
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Amiragova, M.G. The influence of efferent nerves to the thyroid gland on thyroid function. Bull Exp Biol Med 50, 985–988 (1961). https://doi.org/10.1007/BF00784862
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DOI: https://doi.org/10.1007/BF00784862