gastroscope

/ˈɡæstrəskoʊp/
noun
  1. A medical instrument with a camera on a long, flexible tube that is used to look inside the stomach.
    • The doctor used a gastroscope to examine the patient's stomach lining.
    • Before the procedure, the patient swallowed the gastroscope while lying down.
    • A gastroscope allows doctors to see ulcers or other problems without surgery.
Synonyms