Articles

  • Disease

    Macroamylasemia

    Macroamylasemia is the presence of an abnormal substance called macroamylase in the blood. Macroamylase is a substance that consists of an enzyme, called amy...

  • Disease

    Malabsorption

    The esophagus, stomach, large and small intestine, aided by the liver, gallbladder and pancreas convert the nutritive components of food into energy and break down the non-nutritive components into waste to be excreted.

    Malabsorption is difficulty absorbing nutrients from food. Many diseases can cause malabsorption. Malabsorption is usually the inability to absorb certain su...

  • Disease

    Mallory-Weiss tear

    The esophagus, stomach, large and small intestine, aided by the liver, gallbladder and pancreas convert the nutritive components of food into energy and break down the non-nutritive components into waste to be excreted.

    A Mallory-Weiss tear occurs in the mucus membrane of the lower part of the esophagus or upper part of the stomach, near where they join. The tear may bleed. ...

  • Disease

    Meckel's diverticulum

    The esophagus, stomach, large and small intestine, aided by the liver, gallbladder and pancreas convert the nutritive components of food into energy and break down the non-nutritive components into waste to be excreted.

    A Meckel’s diverticulum is a pouch on the wall of the lower part of the intestine that is present at birth (congenital). The diverticulum may contain tissue ...

  • Disease

    Mesenteric artery ischemia

    Mesenteric artery ischemia occurs when there is a narrowing or blockage of one or more of the three major arteries that supply the small and large intestines...