Question

Duodenal glands/Brunner's glands are present in:

• A. Submucosa
• B. Mucosa
• C. Muscularis
• D. Serosa

Answer 1

Answer:

A. Submucosa

Brunner's gland are located in the submucosa of the duodenum. The secrete alkaline fluid containing mucin, which protects the mucosa from the acidic stomach contents entering the duodenum.