Which term describes the folds called rugae?

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Multiple Choice

Which term describes the folds called rugae?

Explanation:
Gastric rugae are the mucosal folds lining the inside of the stomach, allowing it to stretch as it fills. The term describing these folds is simply rugae, since they are the gastric folds themselves. Haustra are the sacculations of the colon, not the stomach; the pylorus is the distal stomach region that leads to the duodenum; and the cardiac (lower esophageal) sphincter is the muscle at the esophagus–stomach junction. So, the folds themselves are called rugae.

Gastric rugae are the mucosal folds lining the inside of the stomach, allowing it to stretch as it fills. The term describing these folds is simply rugae, since they are the gastric folds themselves. Haustra are the sacculations of the colon, not the stomach; the pylorus is the distal stomach region that leads to the duodenum; and the cardiac (lower esophageal) sphincter is the muscle at the esophagus–stomach junction. So, the folds themselves are called rugae.

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