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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.
Vessels
(in hardwoods) and tracheids (in conifers) conduct water and substances
dissolved in water. Vessels are not living cells. Diffuse porous trees,
such as the one illustrated above, generate large vessels early in the
growing period and smaller-diameter vessels later.
