Abstract
IN this interesting little volume the author adduces evidence in favour of his view that heat regulation in warm-blooded animals is mainly under the control of the sympathetic nervous system, and that since the adrenal and thyroid glands are controlled by this system, the mechanism involved is both nervous and humoral. The activities of the two glands have been followed by the histological method: in the adrenal, fixation by means of osmic acid vapour discloses the presence in the resting medullary cell of fine black granules, which, from their absence from other cells and from their disappearance under conditions known to result in a secretion of adren alin, are considered to indicate the presence of the base. In the case of the thyroid, conclusions are drawn from the appearance of the colloid and cells lining the alveoli. The numerous illustrations of drawings of actual microscopic sections show clearly the marked differences observable in the gland picture following exposure of the animal to heat or cold or injection of various compounds.
Fever, Heat Regulation, Climate and the Thyroid-Adrenal Apparatus.
By Dr. W. Cramer. Pp. ix + 153 + 40 plates. (London: Longmans, Green and Co., Ltd., 1928.) 15s. net.
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Our Bookshelf. Nature 123, 125 (1929). https://doi.org/10.1038/123125a0
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DOI: https://doi.org/10.1038/123125a0