File:A text-book of human physiology (1906) (14583886359).jpg

Identifier: textbookofhumanp00tige (find matches)
Title: A text-book of human physiology
Year: 1906 (1900s)
Authors: Tigerstedt, Robert, 1853-1923 Murlin, John R. (John Raymond), b. 1874, tr
Subjects: Physiology
Publisher: New York and London, D. Appleton and Co.
Contributing Library: Columbia University Libraries
Digitizing Sponsor: Open Knowledge Commons

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g more and more emaciated. By feedingthe animal heavily this progressive emaciationwas finally overcome, but the certainty of thedogs movements, which was so plain a featurefor a few weeks after the operation, did not re-turn. In spite of this until a few days before hisdeath he was able to raise himself on his hind legsand to place his paws on the grating of his cage.According to Goltz himself the cause of thisemaciation lay partly in the fact that the animal continually moved about in his cage and that he never rested nor slept so longas a normal animal. It is probable also that it was due to imperfect heat regu-lation, since the heat loss was greater than normal. At any rate it is statedthat the skin was noticeably warm. Otherwise, judging by nothing more thanthe fact that the animal lived so long, the heat regulation nnist have been fairlygood. When the dog slcj)!, he curled up as normal dogs do; in a warm room hepanted and stretched out his tongue; and in a cold room he shivered.
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Fig. 281.—The remainder of thebrain of Goltzs dog, after re-moval of the cerebral hemi-spheres. The medulla, pons,cerebellum and the roots ofall the cranial nerves con-nected with the medulla andpons were perfectly normal.The corpora quadrigeminawere somewhat degenerated.All tliat was left of the cere-bral cortex was a small portionof the temporal lobe on eachside. 626 PHYSIOLOGY OF THE BRAIN-STEM Digestion went on normally: the tongue and the teeth were normally pre-served; there was no foul odor from the mouth; the faeces were of normal colorand consistency. Xo observations were made as to the utilization of foodstuffs.The urine contained no proteid nor sugai-. The animal (a male) gave no evi-dence of sexual heat. The cruder movements, such as locomotion, were fairly normal and the gaiton a rough floor was tolerably good. On a smooth floor the animal slipped veryeasily, but recovered his feet without help. He never walked on the backs ofhis feet; and immediately straightened them

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