Word: duodenum
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Dates: during 1930-1939
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...minutes after the food enters, the stomach secretes hydrochloric acid and pepsin which digest the food into a sour semifluid called chyme. The stomach churns this chyme, pumps it through a valve called the pylorus (gatekeeper) into the duodenum...
...duodenum, eleven inches long, is the beginning of the long small intestine. Here enter juices from the gall-bladder and pancreas. Those juices with the help of the duodenum's own alkaline secretions (mainly sodium bicarbonate), reduce the sour chyme's acidity. While this chemistry is going on, the duodenum pumps the mix forward into the next section of the intestine, the 8 ft. jejunum. During passage through the jejunum the alkalinization of the chyme ordinarily completes itself. The chyme becomes chyle, a creamy, nourishing substance which, while welling through more yardage of intestine, passes into the blood...
Mucin. A new and apparently efficacious treatment for ulcers of the stomach and duodenum was presented before the Chicago Medical Society last week. The stomach is lined with mucous membranes which exude a sticky substance called mucin. Mucin lubricates the stomach. It also combines with hydrochloric acid in the stomach and slows up the digestive action of pepsin. It occurred to Dr. Samuel Julian Fogelson & associates of Northwestern University that lack of sufficient mucin might have a great deal to do with ulcers...
...insensitive to pain, he carefully slit open its torso to expose the viscera. Next he carefully cut practically every sympathetic nerve in the cat's body. Particularly, he cut the nerves running to the heart and every organ known to produce a hormone - the thyroids, parathyroids, thymus, duodenum, liver, pancreas, adrenals, pineal gland, pituitary body, chorioid plexus and sexual organs...