Cork cambium — Free Biology Illustration

Biology

Cork cambium

Cross-sectional view of the cork cambium as a very thin continuous outer ring or arc near the surface of a stem or root, just beneath the cork and outside the inner tissues. Depicted as a narrow one-cell-thick to very thin band of small flattened to boxy rectangular meristematic cells arranged in neat rows, tightly packed with thin walls, dense cytoplasm, and often visible nuclei. The layer appears slightly irregular compared with vascular cambium and is colored pale green, cream, beige, yellow-tan, or light brown, indicating an actively dividing lateral meristem that produces cork toward the outside and contributes to protective outer bark tissue.

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