Episode 1011:45
Villi Vanilli
The small intestine’s dance floor
- Fingers up.The small intestine is lined with tiny finger-like villi.
- Fringe benefits.Each villus is fringed with even tinier microvilli.
- Floor space.All those folds add up to roughly 30 m² of surface.
Far-out fact
Villi, and the microvilli on them, fold the small intestine’s inner surface out to roughly 30 m². Most digestion and absorption happen here.
Rhamny
Lacey