Let's Build an Endodermis
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EmptrCell.jpg (7109 bytes)
Start with a Typical Parenchyma Cell

EndoCell3D.jpg (15624 bytes)
Add a Casparian Strip

EndoCell3D2.jpg (23082 bytes)
Stack-1: The Casparian Strip is united between each Cell. The Suberin Permeates the Primary Cell Wall and Pectins of the Middle Lamella to form a solid seal.

EndoCell3D3.jpg (30782 bytes)
Keep on Stacking!!!

EndoCell3D4.jpg (33300 bytes)
OK! OK! I got it!!!!!!!

EndoCellD3.jpg (42459 bytes)
Add a stack to the Left!!

EndoCellD4.jpg (51864 bytes)
Add another Stack and so on!!!!

Endo3DSepCaspStrip.jpg (45412 bytes)
I separated these two cell stacks to emphasize that the Casparian Strip forms an unbroken barrier to Apoplastic movement. Molecules must enter the Plasmalemma to get to the other side.

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