Session 4 - Anatomy

Question 1

What are Brunner’s glands

Answer 1

In duodenum, secrete alkaline fluid with mucin to protect from acidic chyme

Question 2

Differences between SI and LI

Answer 2

SI: Longer and narrower, site of absorption, plicae circulares, villi,
LI: more goblet cells to protect from bacteria, shorter and wider

Question 3

Differences between jejunum and ileum

Answer 3

Jejunum- bit shorter, has villi, nutrient absorption, bit wider, has plicae circularis and villi, no MALT
Ileum- bit longer, absorbs B12, bit narrower, no plicae circulares, has MALT