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Lessons and Activities Site Map | Glossary | Lessons and Activites Main Page


Wood Parts and Anatomy

Taking a Closer Look at Wood
———————————————————————————————Cambium
The cambium (pronounced "cam-bee-um") is a very thin layer -- usually it is only one cell thick!

The cambium is located just inside the phloem.

The cambium's job is to make new wood cells.

When the cambium cells divide, the ones on the outside make new phloem (or inner bark) and the ones on the inside make new wood!

Rays

Lessons and Activities Site Map | Glossary | Back to Top | Lessons and Activities Main Page


   

Lessons and Activities Site Map | Glossary | Lessons and Activites Main Page


Wood Parts and Anatomy

Taking a Closer Look at Wood
———————————————————————————————Rays
As we talked about earlier, phloem is the part of a tree that moves the sugars from the leaves to other parts of the tree.

Rays are what move the sap to the center parts of the tree, including the sapwood!

Can you see rays?

Lessons and Activities Site Map | Glossary | Back to Top | Lessons and Activities Main Page