文档介绍：Digestive System
Can you enjoy your life without your digestive system?
Characteristics of Digestive System
Taking in energy sources
Digestion energy
tissue
absorption waste
ans
Indiretly contact with outside environment
Food→
Pathogenic factors→
(physical, chemical, microbial)
Common Lesions
inflammation
Ulcer
bleeding
perforation
neoplasm
functional disturbances
inflammation erosion ulcer
bleeding perforation tumor
Characteristics of Digestive System
Not only a an but also
an
pancreas gastrin
glucagon
somatostatin
VIP
insulin
Characteristics of Digestive System
an
mucosa. submucosa
lymhatic system
Liver
Unique neurologic system
vagus
sympathetic
mesenteric plexus
Relation with other systems