Question

In the anal region, the mucous membrane is thrown into longitudinal folds called as

• A. Crypts and Lieberkuhn
• B. Column and Bertini
• C. Folds of kerkrings
• D. Rectal columns and Morgagni

Answer 1

Answer: (D)

Rectal columns and Morgagni

• Crypts and Leiberkuhn - They are the foldings and linings of the large and small intestine, they are present in the lining of the villi.
  
• Column and Bertini - It is made up of blood vessels and is present in the lining of the renal cortex. They are present in the epithelium of the urinary tract and lumen of the stomach.
• Folds of jerkings - They are the foldings present in the lumen os stomach.
• Rectal columns and Morgagni - They are the infoldings and the lining of the mucous membrane and also found in the upper longitudinal half of the anal canal.

So, the correct option is 'Rectal columns and Morgagni'.