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Related Concept Videos

Carbohydrate Digestion00:57

Carbohydrate Digestion

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Carbohydrate digestion and metabolism break down simple and complex carbohydrates from food into saccharides (i.e., sugars) for the body to use as energy. Carbohydrate digestion starts in the mouth during mastication, or chewing. The masticated carbohydrates remain intact in the stomach. Digestion resumes in the duodenum of the small intestine, where pancreatic alpha-amylase and brush border enzymes of the microvilli convert complex carbohydrates to monosaccharides. Finally, the monosaccharides...
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What is Monogastric Digestion?01:50

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The human body contains a monogastric digestive system. In a monogastric digestive system, the stomach only contains one chamber in which it digests food. Several other animal species also have monogastric digestive systems, including pigs, horses, dogs, and birds. This chapter, however, focuses on the human digestive system.
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Lipid Digestion01:06

Lipid Digestion

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Lipids are large molecules that are generally not water-soluble. Since most of the digestive enzymes in the human body are water-based, there are specific steps the body must take to break down lipids and make them available for use.
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Protein Digestion01:02

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Protein digestion begins in the stomach, where the highly acidic environment can easily disrupt protein structure by exposing the peptide bonds of polypeptide chains. After polypeptide chains are broken into individual amino acids by a series of digestive enzymes, the amino acids are transported to the liver via the bloodstream to produce energy.
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Endoscopic Procedures III: Video Capsule Endoscopy01:28

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Capsule endoscopy, or wireless or video capsule endoscopy, is a diagnostic procedure for examining the entire gastrointestinal tract. Patients swallow a capsule about the size of a vitamin tablet. The capsule is equipped with a transmitter, a battery, an LED light source, and a color video camera to capture images throughout the gastrointestinal tract. This procedure is particularly useful for diagnosing conditions such as Crohn's disease, ulcerative colitis, tumors, polyps, ulcers,...
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Regulation of the Digestive System01:25

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Digestive activity regulation hinges on three primary components. Activation is prompted by a multitude of mechanical and chemical indicators, primarily detected by receptors within the stomach and intestines' walls. These receptors predominantly respond to factors such as mechanical stretching of the organ walls, changes in pH and osmolarity, and the presence of digesting materials and their by-products.
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Related Experiment Video

Updated: Feb 5, 2026

Murine Endoscopy for In Vivo Multimodal Imaging of Carcinogenesis and Assessment of Intestinal Wound Healing and Inflammation
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Therapeutic digestive endoscopy II.

Ondřej Urban, Přemysl Falt

    Vnitrni Lekarstvi
    |September 19, 2018
    PubMed
    Summary

    Digestive endoscopy now offers comprehensive gastrointestinal tract examination and therapeutic interventions, replacing surgery for some conditions. Key applications include treating bleeding, stenoses, and neoplasms, utilizing methods like stenting and endoscopic retrograde cholangiopancreatography.

    Area of Science:

    • Gastroenterology and Endoscopic Procedures
    • Minimally Invasive Therapeutic Interventions

    Background:

    • Digestive endoscopy has evolved from purely diagnostic to include therapeutic modalities.
    • These endoscopic treatments are increasingly replacing traditional surgical and invasive radiology methods for specific indications.

    Purpose of the Study:

    • To review the current therapeutic capabilities of digestive endoscopy.
    • To highlight its role in managing gastrointestinal bleeding, stenoses, and neoplasms.
    • To discuss advanced techniques like stenting, endoscopic retrograde cholangiopancreatography, and endosonography-guided interventions.

    Main Methods:

    • Endoscopic resection of early neoplasms.
    • Management of bleeding and stenoses using endoscopic hemostasis and stenting.

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  • Endoscopic retrograde cholangiopancreatography (ERCP) for biliary and pancreatic duct interventions.
  • Oral cholangiopancreatoscopy for direct visualization.
  • Endosonography-guided drainage and endoscopic necrectomy for peripancreatic fluid collections.

    • Main Results:

    • Endoscopic procedures are effective alternatives to surgery for early neoplasms.
    • Stents are utilized for treating gastrointestinal stenoses.
    • ERCP allows for combined diagnostic and interventional procedures in the bile and pancreatic ducts.
    • Endosonography offers minimally invasive treatment options for complex fluid collections.

    Conclusions:

    • Digestive endoscopy provides a wide range of diagnostic and therapeutic options for the entire gastrointestinal tract.
    • Therapeutic endoscopy has become a crucial component in managing various gastrointestinal conditions, offering less invasive solutions.
    • Advanced endoscopic techniques continue to expand the possibilities for treating complex gastrointestinal and pancreatobiliary diseases.