Following is the structure of gastric glands in stomach wall where 'x' is:
Correct answer: D. Oxyntic cells
- A. Mucosa
- B. Visceral fat cells
- C. Mucus cells
- D. Oxyntic cells
Explanation
Since the other labeled cells are Zymogen cells (also known as acinar cells, which secrete digestive enzymes), the unlabeled cell type marked "X" is the Oxyntic cells (also called parietal cells) are found in the gastric glands of the stomach.They secrete hydrochloric acid (HCl) and intrinsic factor, which are involved in digestion and vitamin B12 absorption.
This question appeared on the UHS MDCAT 2017 paper, which you can sit online with every answer explained.
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The human digestive system breaks food into absorbable molecules through mechanical processing, enzyme action and chemical conditions along the alimentary canal. Questions cover the mouth, stomach, small and large intestines, liver, pancreas and associated secretions, including the digestion and absorption of carbohydrates, proteins, lipids, vitamins, minerals and water.
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