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Glossary

Showing 471-480 out of 1154 Terms

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  • Gamma ray

    (GA-muh ...)

    A type of high-energy radiation that is different from an x-ray.

  • Gastric

    (GAS-trik)

    Having to do with the stomach.

  • Gastric feeding tube

    (GAS-trik FEE-ding toob)

    A tube that is inserted through the nose, down the throat and esophagus, and into the stomach. It can be used to give drugs, liquids, and liquid food, or used to remove substances from the stomach. Giving food through a gastric feeding tube is a type of enteral nutrition. Also called nasogastric tube and NG tube.

  • Gastroenterologist

    (GAS-troh-EN-teh-RAH-loh-jist)

    A doctor who has special training in diagnosing and treating disorders of the digestive system.

  • Gastrointestinal

    GAS-troh-in-TES-tih-nul

    Refers to the stomach and intestines. Also called GI.

  • Gastrointestinal stromal tumor

    (GAS-troh-in-TES-tih-nul STROH-mul TOO-mer)

    A type of tumor that usually begins in cells in the wall of the gastrointestinal tract. It can be benign or malignant. Also called GIST.

  • Gastrointestinal tract

    (GAS-troh-in-TES-tih-nul trakt)

    The organs that food and liquids travel through when they are swallowed, digested, absorbed, and leave the body as feces. These organs include the mouth, pharynx (throat), esophagus, stomach, small intestine, large intestine, rectum, and anus. The gastrointestinal tract is part of the digestive system. Also called alimentary tract and digestive tract.

  • Gastrostomy tube

    (gas-TROS-toh-mee toob)

    A tube inserted through the wall of the abdomen directly into the stomach. It allows air and fluid to leave the stomach and can be used to give drugs and liquids, including liquid food, to the patient. Giving food through a gastrostomy tube is a type of enteral nutrition. Also called PEG tube and percutaneous endoscopic tube.

  • Gavage

    (guh-VAZH)

    A way of giving medicines and liquids, including liquid foods, through a small tube placed through the nose or mouth into the stomach or small intestine. Sometimes the tube is placed into the stomach or small intestine through an incision (cut) made on the outside of the abdomen. Gavage may be added to what a person is able to eat and drink, or it may be the only source of nutrition. It is a type of enteral nutrition. Also called tubefeeding.

  • Gene

    (jeen)

    A piece of DNA that serves as the instructions to tell the cells of the body how to function. Most cells of the body have 2 copies of each gene, one passed down (inherited) from the mother and one from the father.