To review:
The vitamin of the B complex, which needs the help of a gastric product for its absorption. Also, the name of this product from the stomach, the cells of gastric mucosa that secrete it, the part of the small intestine that absorbs this B vitamin, and the kind of anemia caused by the deficiency of this vitamin.
Introduction:
Vitamins are one of the five categories of nutrients that are required in minute amounts by the body. Some of them are fat soluble, such as vitamins A, D, E, and K, whereas some are water soluble, such as vitamins of B complex and vitamin C. They can act as a coenzyme to facilitate the function of enzymes, as an antioxidant and also help in the
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ANATOMY+PHYSIOLOGY-PACKAGE
- Why does the passage of polypeptides and small proteins across the intestinal wall is uncommon in adults?arrow_forwardWhat is the structure of the gastric gland, including the cells types that comprise it? What are the secretions? How is HCl made? How are proenzymes activated?arrow_forwarddoes ileum plays an important role in the absorption of B12 and provides the acidity and pepsin to release B12 from the dietary source?arrow_forward
- How could surgical resection of the ileum impact liver function? Consider the intricate interplay between the small intestine and liver in nutrient absorption, bile acid metabolism, and liver function. What are two potential interventions to alleviate the impacts listed above?arrow_forwardWhy doesn’t the high concentration of H1 in the stomach lumen destroy the lining of the stomach wall?arrow_forwardA narrowing of the ileocecal valve would hamper movement of chyme between what two organs?arrow_forward
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