Word: pavloff
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Another brick in the pile of evidence that is gradually being built up by Kammerer, Guyer and others in favor of the theory of " inheritance of acquired characteristics" (TIME, May 12) has been laid by Professor Ivan P. Pavloff, great Russian physiologist, who visited America last Summer (TIME, July 23). In an address given at the Battle Creek Sanitarium and published in Science last week, he described his latest researches on "conditioned reflexes " in animals...
...Ivan Petrovitch Pavloff (1848-), Russian physiologist, student of the 'digestive system (TIME, July...
...Pavloff's name is best known to the Western world for his classic demonstration of the neurological basis of the digestive process in dogs. A normal animal, if hungry, shows increased flow of saliva and the digestive juices at the sight or smell of food. By a simple surgical operation, Pavloff brought the duct of a dog's salivary gland to the surface of the cheek and measured the flow under stimulus of food. At regular feeding times a bell was rung, and after several repetitions it was found that the sound of the bell alone, without food...
...another brilliant experiment, following the investigations of von Bischoff and Heidenhain, Pavloff was able to produce a fistula, or tube, connecting the stomach of a dog with the surface, keeping the animal free from pain and under the most normal conditions possible. By this means he studied the flow of the gastric and pancreatic juices under varying conditions, proving that the secretions vary in quantity, rate and digestive power with the nature of the food...
...Pavloff was given the Nobel Prize for medicine in 1904 for the work embodied in his lectures delivered in 1897 on The Work of the Digestive Glands, which has been translated into German, French, English. It has been the inspiration of similar researches by Starling in England and Cannon in the United States. He has received scientific honors and decorations in practically every civilized nation...