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  1. Duodenum: What It Is, Function, Location & Concerns

    May 24, 2024 · What is the function of the duodenum? The duodenum continues the process of digestion (breakdown of food into nutrients) that starts in other parts of your gastrointestinal (GI) …

  2. Duodenum: Anatomy, Function, Associated Conditions

    Sep 7, 2025 · The duodenum, the first part of the small intestine, supports digestion, absorbs nutrients, and regulates the release of bile. Common problems with the duodenum include ulcers and …

  3. Duodenum - Wikipedia

    In mammals, it may be the principal site for iron absorption. The duodenum precedes the jejunum and ileum and is the shortest part of the small intestine.

  4. The Digestive Process: What Does the Small Intestine Do?

    When food moves into your duodenum, it mixes with digestive enzymes that your pancreas secretes. These enzymes break down the largest molecules of food, such as proteins and starches.

  5. Duodenum | Small intestine, digestion, absorption | Britannica

    Oct 17, 2025 · Duodenum, the first part of the small intestine, which receives partially digested food from the stomach and begins the absorption of nutrients. The duodenum is the shortest segment of the …

  6. What Are The Functions Of The Duodenum? - Sciencing

    Aug 9, 2018 · The duodenum, as the chamber connecting the stomach to the rest of the intestinal tract, functions as a processing plant for the mostly digested food (called chyme) and stomach acids …

  7. What Is the Primary Function of the Duodenum? - Biology Insights

    Nov 28, 2025 · The duodenum functions as the primary location for the chemical digestion of all three major macronutrient groups: carbohydrates, fats, and proteins. This intensive breakdown is …

  8. What Does the Duodenum Do? Understanding Its Key Role in …

    Jul 24, 2025 · The duodenum performs several crucial functions that contribute to digestion, nutrient absorption, and hormonal regulation. Its role is integral to breaking down food substances and …

  9. Duodenum: MedlinePlus Medical Encyclopedia

    Oct 9, 2024 · It is located between the stomach and the middle part of the small intestine, or jejunum. After foods mix with stomach acid, they move into the duodenum, where they mix with bile from the …

  10. Duodenum - Structure, Function & Location

    First portion of the small intestine. The duodenum is the first and shortest section of the small intestine, playing a critical role in the initial phase of digestion following gastric emptying.