HCL in gastric juice is secreted by which one of the following cells:
Correct answer: B. Oxyntic cells
- A. Chief cells
- B. Oxyntic cells
- C. Mucous cells
- D. Kupffer cells
Explanation
Oxyntic cells (parietal calls) are large and are most numerous on the side walls of the gastric glands. They are called oxyntic cells because they stain strongly with eosin dye. They are called parietal cells as they lie against the basement membrane. They secrete hydrochloric acid and Castle's intrinsic factor.
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The human digestive system covers the organs from mouth to anus, the movement of food, and the mechanical and chemical breakdown of carbohydrates, proteins and fats. It also includes the roles of digestive enzymes, bile, absorption through intestinal villi, and the assimilation of nutrients by body cells.
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