HCl is secreted by which of the following cell of stomach :[Bihar 2004]a)Chief cellsb)Parietal cell (Oxyntic cells)c)Peptic cellsd)goblet cellsCorrect answer is option 'B'. Can you explain this answer?

Question

Answer

Answer

Parietale cell of stomach secreted HCL.

Answer

The correct answer is Option B.
Parietal cells which is also known as Oxyntic cell secret HCl (gastric acid) and Castle's Intrinsic Factor. It is located in the gastric glands of stomach.

Answer

Answer:

Introduction:
The stomach is a muscular organ that is responsible for the mechanical and chemical breakdown of food. It secretes various enzymes, acids, and hormones that help in the digestion of food. One of the major components of the gastric juice is hydrochloric acid (HCl), which is secreted by the parietal cells (oxyntic cells) of the stomach.

Parietal cells (Oxyntic cells):
Parietal cells are specialized epithelial cells that are found in the lining of the stomach. They are responsible for the secretion of hydrochloric acid (HCl) and intrinsic factor. The HCl secreted by the parietal cells helps in the digestion of proteins, activates pepsinogen to pepsin, and also kills the harmful bacteria present in the food.

Chief cells:
Chief cells are another type of specialized epithelial cells found in the gastric glands of the stomach. They are responsible for the secretion of pepsinogen, which is an inactive form of pepsin. Pepsinogen is activated by HCl secreted by the parietal cells, and it helps in the digestion of proteins.

Peptic cells:
Peptic cells are not a specific type of cells found in the stomach. The term 'peptic cells' is used to describe the cells that secrete pepsinogen and gastric lipase.

Goblet cells:
Goblet cells are specialized epithelial cells that are found in the lining of the stomach and other parts of the digestive tract. They are responsible for the secretion of mucus, which helps in the lubrication and protection of the stomach lining from the acidic environment.

Conclusion:
In conclusion, HCl is secreted by the parietal cells (oxyntic cells) of the stomach. The parietal cells are responsible for the secretion of hydrochloric acid (HCl) and intrinsic factor, which helps in the digestion of food and the absorption of vitamin B12, respectively. The chief cells secrete pepsinogen, which is activated by HCl secreted by the parietal cells, and helps in the digestion of proteins. The term 'peptic cells' is used to describe the cells that secrete pepsinogen and gastric lipase. Goblet cells are responsible for the secretion of mucus, which helps in the lubrication and protection of the stomach lining from the acidic environment.

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