Please enable JavaScript.
Coggle requires JavaScript to display documents.
The Ileum - Coggle Diagram
The Ileum
-
-
-
2. Muscularis Externa
2 layers
outer layer
longitudinal muscle
(along length alimentary canal)
contractions = pendular movements
gut widens + shortens
inner layer
circular muscle
(around alimentary canal)
contractions = local constrictions
gut longer + thinner
-
-
-
-
Villus
-
Absorption
of molecules
glucose +
amino acids
- taken into epithelial cells
by Active Transport
- diffuse further capillary
network
fatty acids +
glycerol
- diffuse simply into cells
lining villi
- transported out of villi by
lacteals (lymphatic system)
-
-
-
-
-
-
Crypts of
Lieberkühn
-
cells @ bottom of crypts dividing
by mitosis to produce new cells that
move up to replace old cells above
-
-