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It is claimed also that the bile aids the digestive processes in some general ways—counteracting the acid of the gastric juice, preventing the decomposition of food in the intestines, and stimulating muscular action in the intestinal walls. No enzymes have been discovered in the bile.
'Doctor Buddle has been very kind but he is, I am afraid, more desponding than poor William or Dolly imagines Heaven help them! 'But children recover wonderfully. What is his ailment? 'Gastric fever, the doctor says. I had a foreboding of evil the moment I saw him before the poor little man was put to his bed. Dorcas rang the bell.
From my childhood I have had, both by day and night, various subjective sensations of light which I was, as a person of perfectly sane mind, able to observe dispassionately. After reading for a long while, or when fatigued by sleeplessness, mental excitement, or some temporary gastric derangement, I see clear flames circling before my eyes.
If we should begin with the digestive function, we should find that the long-agitated question of the nature of the acid of the gastric juice is becoming settled in favor of the lactic. But the whole solvent agency of the digestive fluid enters into the category of that exceptional mode of action already familiar to us in chemistry as catalysis.
Mix two teaspoonfuls of fresh milk in a test tube with a few drops of neutral artificial gastric juice; keep at about 100 degrees F. In a short time the milk curdles, so that the tube can be inverted without the curd falling out. By and by whey is squeezed out of the clot.
The news of the terrible mortality in the Portuguese royal family, especially the death of the King, to whom the Prince was warmly attached, had seriously affected his health, never strong, and for the last few years gradually declining, with gastric attacks becoming more frequent and fits of sleeplessness more confirmed.
Just as the digestive glands in the neighborhood of the mouth become more active when we are conscious that desirable food is at hand, so do the glands in the stomach. Mastication also stimulates the flow of the gastric juice, and this flow is greater if we enjoy what we eat.
This is particularly remarkable in "cases of gastric fever, in which," he says, "little or nothing else besides beef tea or diluted meat juice" has been taken for weeks or even months, "and yet a pint of beef tea contains scarcely 1/4 oz. of anything but water," the result is so striking that he asks what is its mode of action?
"Now," said he, "this virtue is a fine thing, a very fine thing to talk so loftily about. A little craving of the gastric juices, a little pinching of this vile body, as your philosophers and saints call our better part, and, lo! virtue oozes out like water through a leaky vessel, and the vessel sinks! No, no; virtue is a weak game, and a poor game, and a losing game.
The practical value of Physiological knowledge! Why is it that educated men can be found to maintain that a slaughter-house in the midst of a great city is rather a good thing than otherwise? that mothers persist in exposing the largest possible amount of surface of their children to the cold, by the absurd style of dress they adopt, and then marvel at the peculiar dispensation of Providence, which removes their infants by bronchitis and gastric fever?
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