Gastroscopy n. : Examination of the abdomen or stomach, as with the gastroscope.

Example:
Gastroscopy how long ahead should i stop eating?

Taxonomy
endoscope, EGD, Endoscopic, Esophagogastroduodenoscopy, endoscopy, stomach, tissue, biopsy forceps, free encyclopedia, Surveillance, patients, treatment, stage, scope, 2007-10-07, OGD, duodenum, Confirmation.

Defination from the web:
Gastroscopy) Jump to: navigation, search "EGD" redirects here. ... spelling 'oesophago-'. It is also called upper GI endoscopy (UGIE), gastroscopy or simply endoscopy (since it is the most commonly performed type ...