kaksteistsõrmiksoole
Kaksteistsõrmiksool, also known as the duodenum, is the first section of the small intestine in humans and most vertebrates. It extends from the pyloric sphincter of the stomach to the jejunum. The name "duodenum" is derived from the Latin word duodeni, meaning "twelve," referring to its approximate length, which is about 12 fingerbreadths.
This vital organ plays a crucial role in digestion. It receives partially digested food from the stomach,
The wall of the duodenum contains glands that secrete mucus, which protects the lining from the acidic