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In the stomach, gastric acid is secreted by the
A) Gastrin secreting cells
B) Parietal cells
C) Peptic cells
D) Acidic cells

Last updated date: 20th Jun 2024
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Hint: The stomach is a gastrointestinal organ that participates in the digestion of the food. It is also responsible for killing the pathogenic bacteria from ingested food by a highly acidic environment. The acidic environment of the stomach varies between 1.5 to 3.5.

Complete Answer:
- Gastric acid contains hydrochloric acid, potassium chloride, and sodium chloride and maintains the acidic environment in the stomach required for the digestion of proteins.
- The parietal cells or oxyntic cells are the epithelial cells present in glands found in the fundus and body of the stomach.
- The gastric acid is the secretory product or parietal or oxyntic cells. The gastric acid secretion is induced by gastrin.

So, the ‘Parietal cells’ is the correct answer.

Additional information:
- The parietal cells produce an intrinsic factor that is required in the absorption of vitamin B-12 and hydrochloric acid that helps in the digestion.
- The smell, taste, and thought of food stimulates the g-cell or gastrin cells
- The peptic cells of gastric chief cells or gastric zymogenic cells secrets the pepsinogen and gastric lipase.

Note: Gastrin secreting cells secretes gastrin that is a peptide that induces gastric acid secretion by parietal cells.