Gastric rugae are present in.

Empty stomach

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Empty duodenum

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Empty ileum

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None of the above

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Solution

The correct option is C Empty stomach
The gastric folds (or gastric rugae) are coiled sections of tissue that exist in the mucosal and submucosal layers of the stomach.
When the stomach is empty, the walls are folded into rugae (stomach folds), which allow the stomach to expand as more food fills it.
Therefore, they are only present in empty stomach. Hence, option A is correct.

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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. Transverse rugae are present in ___________.

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Q. Mucosa forms rugae in the?

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