Try to name the labeled parts before checking the answers below. 

External Stomach	Internal Stomach
1 - Cardiac region  2 - Fundus  3 - Lesser curvature  4 - Greater curvature  (lateral convex border)  5 - Body of stomach  (note:  3 layers of smooth muscle  in wall of stomach)  6 - Pyloris  7 - Pyloric-duodenal junction	1 - Pyloric sphincter  2 - Pyloris  3 - Rugae (folds)  4 - Cardiac (gastroesophageal)  sphincter