stomach-ache; stomach pain; gastralgia
stomach and intestines; gastrointestinal tract; digestive organs
stomach acid; gastric acid
lying heavy on the stomach; being uneasily digested
stomach lining; gastric wall
gastritis; gastric catarrh
dyspepsia; indigestion; weak digestion
stomach tube; nasogastric tube
gastrospasm; stomach spasm; stomach cramps
stomach pumping; gastric irrigation; gastric lavage; gastric suction; gastrolavage
gastric dilation; dilation of stomach
gastric fistula; gastrosomy; gastrosoma
gastroesophageal reflux disease
gastric perforation; perforation of the stomach
abomasum (fourth compartment of the stomach of a ruminant); maw; rennet-bag
omasum; psalterium; third compartment of the stomach in ruminants