Duodenal (adjective)

1. Relating to or affecting the duodenum.
2. Of or pertaining to the first part of the small intestine, which is about 12 inches long and lies between the stomach and the jejunum.

Origin:

Late 19th century: from modern latin duodenum (see duodenum) + -al.

Examples:

1. The duodenal ulcer is a type of peptic ulcer that occurs in the first part of the small intestine.
2. Duodenal biopsy is a procedure in which a small sample of tissue is taken from the duodenum for examination under a microscope.
3. Duodenal switch is a weight loss surgery that reduces the size of the stomach and rearranges the small intestine to restrict food intake and promote fullness.
4. Duodenal diverticula are small pockets that can form in the wall of the duodenum, which can become inflamed and cause abdominal pain and discomfort.
5. Duodenal intubation is a diagnostic procedure in which a flexible tube is passed through the nose or mouth into the duodenum to measure the acidity and movements of the stomach and small intestine.