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Updated: May 23, 2025
Bear in mind one or two main points: that all food passes from the mouth to the stomach, an irregularly-shaped pouch or bag with an opening into the duodenum, and from thence into the larger intestine. From the mouth to the end of this intestine, the whole may be called the alimentary canal; a tube of varying size and some thirty-six feet in length.
More than this, he had teeth fit to masticate iron, a stomach to dissolve it, a duodenum to digest it, a sphincter to let it out again without tearing, and shoulders that would bear a universe upon them, like that pagan gentleman to whom the job was confided, and whom the timely arrival of Jesus Christ discharged from the duty.
Many other receptacles of peculiar fluids disgorge their contents, when the ends of their ducts are stimulated; as the gall bladder, when the contents of the duodenum stimulate the extremity of the common bile duct: and the salivary glands, when the termination of their ducts in the mouth are excited by the stimulus of the food we masticate.
It closely resembles the salivary glands in structure, with its main duct running from one end to the other. This duct at last enters the duodenum in company with the common bile duct. The pancreatic juice, the most powerful in the body, is clear, somewhat viscid, fluid. It has a decided alkaline reaction and is not unlike saliva in many respects.
Now, this extra and unnecessary work falling upon the duodenum entails a delay in the process of digestion, and a corresponding delay in assimilation, so a habit of intestinal inactivity is induced, and the seeds of constipation are sown, because the starchy foods, being slow in giving up their nutritive elements, the refuse is proportionately backward in being eliminated.
It was a dull job for us, since there was no light, and Blenkiron had not even the consolation of a game of Patience. But for all that he was in good spirits, for he had had no dyspepsia since we left Constantinople, and announced that he believed he was at last getting even with his darned duodenum. As for me I was pretty restless, for I could not imagine what was detaining Sandy.
When there are no solid indigesta, but a fluid composed principally of vitiated bile or extravasated blood, there will be a strong indication of the presence of rabies. When, also, there are in the duodenum and jejunum small portions of indigesta, the detection of the least quantity will be decisive.
Fatal peritonitis ensued and the spoon was found impacted in the last acute turn of the duodenum. In 1895, in London, there was exhibited a specimen, including the end of the ileum with the adjacent end of the colon, showing a dessert spoon which was impacted in the latter. The spoon was seven inches long, and its bowl measured 1 1/2 inches across. There was much ulceration of the mucous membrane.
Combined with the bile, this juice acts upon the large drops of fat which pass from the stomach into the duodenum and emulsifies them. This process consists partly in producing a fine subdivision of the particles of fat, called an emulsion, and partly in a chemical decomposition by which a kind of soap is formed.
The common duct opens obliquely into the horseshoe bend of the duodenum. The cystic duct leads back to the under surface of the liver, where it expands into a sac capable of holding about two ounces of fluid, and is known as the gall bladder.
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