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Figure 14.4a
Figure 14.4a

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... polysaccharides that resist digestion in the small intestine (e.g. dietary plant matter) and can enter the colon Stimulates active Na+ and Cl- absorption to promotes water reabsorption by osmosis and therefore retain calories and electrolytes Can be used for energy by epithelial cells in the colon a ...
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... • Bile duct – a long tube that carries BILE. The top half of the common bile duct is associated with the liver, while the bottom half of the common bile duct is associated with the pancreas, through which it passes on its way to the intestine. ...
low stomach acid test
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... the stomach acid breaks it down into smaller parts. The acidity from the partly digested protein enters the small intestine which signals to the pancreas to excrete enzymes that further breakdown the protein in order for the body to absorb and digest it. If the stomach acid is not sufficient the foo ...
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Bile acid



Bile acids are steroid acids found predominantly in the bile of mammals and other vertebrates. Different molecular forms of bile acids can be synthesized in the liver by different species. Bile acids are conjugated with taurine or glycine in the liver, forming bile salts.Primary bile acids are those synthesized by the liver. Secondary bile acids result from bacterial actions in the colon. In humans, taurocholic acid and glycocholic acid (derivatives of cholic acid) and taurochenodeoxycholic acid and glycochenodeoxycholic acid (derivatives of chenodeoxycholic acid) are the major bile salts in bile and are roughly equal in concentration. The conjugated salts of their 7-alpha-dehydroxylated derivatives, deoxycholic acid and lithocholic acid, are also found, with derivatives of cholic, chenodeoxycholic and deoxycholic acids accounting for over 90% of human biliary bile acids.Bile acids comprise about 80% of the organic compounds in bile (others are phospholipids and cholesterol). An increased secretion of bile acids produces an increase in bile flow. The main function of bile acids is to facilitate the formation of micelles, which promotes digestion and absorption of dietary fat, but they are increasingly being shown to have hormonal actions throughout the body.
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