Q. The mucosal layer in the stomach form irregular folds known as
A) Villi
B) Lumen
C) Rugae
D) Crypts of Lieberkuhn
Explanation
The innermost layer lining the lumen of the alimentary canal is the mucosa. The mucosa layer forms irregular folds in the stomach, known as rugae. Rugae disappear when the stomach is distended with food. Loss of the rugal are one of the earliest sign of stomach cancer.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.