(Netter Basic Science) Frank H. Netter - Atlas of Human Anatomy-Elsevier (2018)

Mucosa of Stomach
5
Superior (1st) part
of duodenum
(ampulla, or
duodenal bulb)
Zigzag (Z) line
(junction of gastric
and esophageal mucosa)
Cardiac orifice
Gastric folds (rugae)
Longitudinal folds
of gastric canal
(magenstrasse)
Cardiac
zone
Gastric and
fundic zones
Longitudinal muscle
of esophagus
Pylorus
Pyloric
sphincter
Pyloric zone
Outer longitudinal muscle layer
of stomach (concentrated
chiefly at lesser and greater
curvatures and at pyloric part)
Longitudinal muscle
of duodenum
Middle circular muscle
layer of stomach
Longitudinal
section
through
pyloric
region
(shows
thickened
pyloric
sphincter)
Outer longitudinal muscle
layer (cut away)
Middle circular
muscle layer
Innermost
abdominal
oblique
muscle layer
Middle circular and
innermost oblique
fibers blend here
Circular muscle
of duodenum
Longitudinal
muscle of duodenum
(cut away)
Windows cut in middle
circular muscle layer
Viscera (Gut) Plate 277
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