S. YOSCHIDA 
The following abbreviations are used throughout the plates. 
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a. c accessory cells. 
b. r boundary ridge. 
e. c chief cells. 
eg cardiac gland. 
CS cardiac sac, 
d duodenum. 
d. g duodenal gland. 
e epithelium. 
f. fundus. 
f. g fundus gland. 
g. f. gastric. 
1. u lumen. 
m. m muscularis mucosa. 
o. e oesophagus. 
p pylorus. 
p. c parietal cells. 
t. p tunica propria. 
V vilus. 
