Unformatted text preview: layers of cortex beneath epidermis. The second cork cambium arises in outer regions of the secondary phloem. This can happen many times and leads to an alternation between layers of secondary cork and secondary phloem. But only the tissue to the inside of the most recently formed cork is alive.-Consideration of how a tree grows in width-Consideration of the different cell types, and their arrangements as a tree ages.-What are knots and knot holes?-Further consideration of annual rings-Bark-Lenticels-Practical and economic aspects of wood...
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- Spring '07
- phloem, Plant anatomy, Vascular cambium, cork cambium, Dr. Feldman