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The A.B.-Z. of Our Own Nutrition

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    Available in PDF - DJVU Format | The A.B.-Z. of Our Own Nutrition.pdf | Language: ENGLISH
    Horace Fletcher (Author)

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1903 edition. Excerpt: ... more certain and intense is the secretory effect. In extreme cases there is even a quantitative relationship between this effect and that of the sham feeding. Here is an experiment of Professor Ssanozki, in which the secretory effect of the mere tempting of the animal with the sight of food is compared with that of sham feeding. A few threads of alkaline mucus had just escaped from the stomach, and then the excitation of the dog with flesh was begun. After six minutes the secretion commenced and continued as follows: Then followed a sham feeding for six minutes. Duration of the flow. Quantity of the juice. 8 minutes 10 c.c. 4 ': 10 4 ': 10 IO 10 IO 10 8 10 8 10 19 10 Duration of the flow. Quantity of the juice. 17 minutes 10 c.c. 9 ': 10 ': 8 ': 10 ': It is clear that in this case the tempting, instead of being less effective than the sham feeding, on the contrary excelled it. Consequently, the observation of Bidder and Schmidt was perfectly correct. It cannot, however, be said that it received general recognition in physiology, or that it was sufficiently appreciated. There are authors who could never convince themselves of its reality, and in many physiological text-books it is not once mentioned. By way of explanation, we shall now consider how this matter must be dealt with by those who wish to observe the effect. It is only under certain conditions that it can be seen. Firstly, the animal must be healthy and vigorous: it must have a perfectly uninjured gastric mucous membrane: and this, from the description in the case of many authors who obtained a negative result, was not the case. Secondly, the success of the experiment, as stated above, is dependent upon the intensity of the desire for eating, and this, again, is dependent upon how...
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Book details

  • PDF | 98 pages
  • Horace Fletcher (Author)
  • TheClassics.us (12 Sept. 2013)
  • English
  • 10
  • Health, Family Lifestyle

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