1. Digestive System General Anatomy
CH 23
Digestive System
General Anatomy
James F. Thompson, Ph.D.

2. General Structure Digestive organs divided into 2 main groups
GI (alimentary) tract or gut tube
Accessory structures
at the mouth: cheeks, teeth, tongue, salivary glands
at the duodenum: liver, gallbladder, pancreas

3. General Histology of GI Tract
Same basic histological organization from inside to outside and from end to end

4. Retroperitoneal organs: kidneys,
Peritoneum
Most vertebrates (tetrapods)
suspend their abdominal organs
beneath the vertebral column
to resist the pull of gravity
Retroperitoneal organs: kidneys,
urinary bladder,
large intestine,
uterus

5. Greater and Lesser Omenta

6. Peritoneum Largest serous membrane of the body Peritoneal cavity
simple squamous epithelium
supporting layer of fibrous connective tissue
adipose tissue and lymph nodes
Peritoneal cavity
parietal peritoneum
visceral peritoneum
peritoneal fluid
peritoneal dialysis
Pathology
ascites fluid
peritonitis
pelvic inflammatory disease (PID)

7. End CH 23 Digestive System General Anatomy