Parietal cells
Chief cells
Goblet cells

Pepsin(-ogen)

Gastrin

Chyme

Pyloric sphincter

Secretin
Cholecystokinin (CCK)

Amylase
Protease
   Trypsin(-ogen)
   Chymotrypsin(-ogen)
   (Pro-)carboxypeptidase
Lipase

Enterokinase

Villi
Microvilli
Brush border
Lacteals

Gall bladder
Bile (bile salts)

Emulsification
Micelles
Chylomicrons