1) Endoscope 
instrument for examining interior of the stomach
• (n.) An instrument for viewing or examining the interior of the stomach.
(from the article `gastroenterology`) ...that could be inserted down the esophagus and upon which a light was mounted to illuminate the area visualized was invented in about 1889; this ...
A thin, tube-like instrument used to examine the inside of the stomach. A gastroscope has a light and a lens for viewing and may have a tool to remove tissue.
(gas´tro-skōp) an endoscope especially designed for passage into the stomach to permit examination of its interior. The gastroscope is a hollow, cylindrical tube fitted with special lenses and lights. The newer types of gastroscope are made of glass fiber (fiberscope) which is more flexible. Each glass fiber ...
Gas'tro·scope noun [ Gastro- + -scope .] (Medicine) An instrument for viewing or examining the interior of the stomach. 
Type: Term Pronunciation: gas′trō-skōp Definitions: 1. An endoscope for inspecting the interior of the stomach.
Gastroscope: A flexible, lighted instrument that is put through the mouth and down the esophagus to view the stomach. Tissue from the stomach can also be removed through the gastroscope.
[n] - a type of endoscope for visually examining the stomach
noun a type of endoscope for visually examining the stomach
a type of endoscope for visually examining the stomach