duodenum
RUQ
The duodenum is the first part of the small intestine, which receives partially digested food and digestive enzymes from the stomach. It is about 25 cm long and is C-shaped, forming a curve around the head of the pancreas.
The duodenum is responsible for further digestion of food by releasing enzymes from the pancreas and bile from the liver and gallbladder. These enzymes and bile break down carbohydrates, proteins, and fats into smaller molecules that can be absorbed by the small intestine.
The duodenum also plays a role in regulating the release of digestive enzymes from the pancreas and the gallbladder by secreting hormones that stimulate or inhibit their secretion. Additionally, it absorbs some nutrients such as iron, calcium, and magnesium.
Overall, the duodenum is an important part of the digestive system that helps in the breakdown and absorption of nutrients from food.
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