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Wood Parts and Anatomy
Taking a Closer Look at Wood
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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!
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Rays