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THE PHYSIOLOGY OF THE GASTRIC HUNGER CONTRACTIONS IN THE JAVANESE MONKEY.1
1 The Department of Physiology, Detroit College of Medicine and Surgery, Detroit
1. The motility and tonus of the empty stomach of the monkey is practically identical with that of the empty stomach of man.
2. Substances introduced directly into the stomach (water, 1 per cent. sodium carbonate, and 0·5 per cent. hydrochloric acid) produce gastric inhibition in proportion to the degree of their potency.
3. Very small amounts of food given to animals exhibit no inhibitory influence on the movements of the empty stomach; in larger quantities definite inhibitory effects result.
4. The sight of food, when in sufficient amounts, may also lead to an inhibition (psychic inhibition) of the motor activity and tonus of the stomach.
5. The same mechanism is probably involved in the inhibition of the movements of the empty stomach that is concerned in the inhibition of the movements of digestion.
6. Stimuli when applied to certain sensory surfaces of the body of the animal, such as the pad of the foot, may produce decided inhibitory effects.
Submitted on June 22, 1933
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