The mucosal layer in the stomach form irregular folds known as

Villi

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Lumen

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Rugae

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Crypts of Lieberkuhn

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Lacteals

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Solution

The correct option is B Rugae
Rugae is a series of ridges produced by folding of the wall of an organ. The gastric rugae (or gastric folds) in the stomach increases the surface area for more nutrient absorption. When food enters the stomach, these rugae become stretched.
Thus, the correct answer is option C.

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In context with the adaptations of the stomach in humans, fill in the blanks by choosing the correct option :

The stomach in humans is lined with an extra layer of (i)__________ for better mixing and churning of food. It even has numerous folds called (ii)________ to increase the area of absorption with many inner mucosal secretory glands called (iii)_________for the production of enzymes and has specially formulated (iv) ________ to protect the walls of the stomach from the action of HCl.

Q. Peptic ulcer results due to
A. Imbalance of gastric juice secretion.
B. Secretion of high acid enzyme.
C. Poor secretion of mucus.
D. The disintegration of mucosal lining layer of the stomach.

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