Stomach (gastrointestinal system)

Body of stomach

Circular muscle layer

Duodenal bulb

Duodenum

Esophagus

Fundus

Gastroesophageal opening

Longitudinal muscle layer

Lower esophageal sphincter

Mucosa

Muscularis

Oblique muscle layer

Pyloric sphincter

Pylorus

Rugae

Serosa

Submucosa