GIT 1

Question 1

Difference between ileum and jejunum

Answer 1

1. I: peyers patches J: no
   I: narrower lumen J wider liken
2. I: less folds J: more folds
3. I: 60% J: 40%
4. I:more mesenteric fat no windows J: less fat; windows
   6 I: simple arcade arteries J: complex arcades

Question 2

Difference between large and small intestines

Answer 2

1.L: no villi in mucosa S: villi in mucosa
2. L:sacculations S: smooth
3. L:epiploic pouch S: no
4. L:1.5m S::6m
5. L: taenia coil S:no
6 L: no lymphoid S: lymphoid
7:L: no folds S:fold
8: mesocolon:transverse sigmoid caecum appendix -mobile
S: mesentry except duodenum

Question 3

Factors increasing absorption in small intestine

Answer 3

Folded
Villi
Microvilli

Question 4

Fxn of liver

Answer 4

Make bile
Store glucose as glycogen
Metabolize lipids
Detoxification
Store fat soluble vitamins
Produce blood protein