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Tree biology
Contents: - periderm - phellem - cork cambium - phelloderm - cortex - phloem- phloem rays - sieve tube element - companion cells - cambial zone (cambium) - bark - xylem - growth ring - vessels - tyloses - parenchyma - axial parenchyma - multiserrate ray parenchyma - uniserrate ray parenchyma - fibers - symplast - apoplast - growth ring/ray compartment -wounding response - decay development
Select any of the above terms to view its location in the tree cross section. Text at bottom.
The
cambial zone or cambium is an area of dividing cells that differentiate
into xylem (toward the inside) and phloem (toward the outside). It is
on the move outward as the tree grows. Once xylem cells divide into their
various components they can not move.