1. A thin, flexible tube with a camera and light at the end, used by doctors to examine the inside of the stomach and esophagus.
Usage: medical instrument; also called an endoscope when used for stomach examination

Examples

• The doctor used a gastroscope to look for signs of ulcers in the patient's stomach.
• During the procedure, the gastroscope was carefully inserted through the patient's mouth.
• The gastroscope allowed the physician to take tissue samples for biopsy.
• Modern gastroscopes have high-definition cameras that provide clear images of the digestive tract.
• The patient was given sedation before the gastroscope examination began.