stomach, small intestine, and large intestine..

1. Stomach, Small
Intestine Large
Intestine
DIGESTIVE SYSTEM

3. • muscular, elastic pear
shaped organ
• lying in the abdominal
cavity beneath the
diaphragm
• capacity to store 9.5
liters in an adult
•Form chyme
•Serve as reservoir
• secrete HCL, pepsin and
gastric lipase

4. ANATOMICAL DIVISION OF
STOMACH
• Cardiac
region
• Fundus
• Body
• Pyloric region

5. CELL TYPES AND
SECRETIONS:

6. STOMACH HISTOLOGY

7. STOMACH HISTOLOGY

8. THE SMALL
INTESTINE

9. THE SMALL INTESTINE
• 6 meter long
• much of digestion and absorption
takes place
• absorb nutrients and minerals from
food

11. THE SMALL INTESTINE
HISTOLOGY

12. THE SMALL INTESTINE
HISTOLOGY
Villi and crypts in
the jejunum
Key:
cr = crypts
g = goblet cells
in epithelium
mm = muscularis
mucosae
subm =
submucosa
V = villi

13. THE LARGE
INTESTINE

14. THE LARGE INTESTINE
• extends from ileum
to anus
• inferior to stomach
and liver
• also called large
bowel
• 1.5 meters long and
7.5 cm wide
• Reabsorption of
water
• compaction of feces
• stores feces before

15. PARTS OF LARGE
INTESTINE
• Ascending colon
•Transverse colon
•Descending colon
• Sigmoid colon

16. Histology of the large
intestine

17. Histology of the large intestine

18. THE END
MARINA MURAD,
JAWARIA NIAZ,
HAFSA NADEEM,
BUSHRA DAR,
FARAH NAZ