Mucosa of Stomach
Anatomy
Cardiac orifice, Gastric
folds (rugae), Longitudinal
folds of gastric canal (magenstrasse), Pyloric sphincter, Pylorus, Pyloric zone, Gastric and fundic zones, Cardiac zone, Zigzag (Z) line (junction
of gastric and esophageal mucosa), Superior (1st) part of duodenum (ampulla, or duodenal
bulb), Longitudinal muscle of esophagus, Middle circular muscle layer of stomach,
Longitudinal muscle of duodenum, Outer longitudinal muscle layer of stomach (concentrated chiefly at lesser and greater curvatures and at pyloric part), Outer longitudinal muscle layer (cut away), Middle circular muscle layer, Innermost abdominal oblique muscle layer, Longitudinal section through pyloric region (shows thickened pyloric sphincter), Circular muscle of duodenum, Longitudinal, muscle
of duodenum (cut away), Middle circular and innermost oblique fibers blend here, Windows
cut in middle circular muscle layer.
