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Celery is the Queen of Collenchyma. These bundles stick between your teeth when you munch on Celery. The cell walls have loosely organized cellulose microfibrils and the pectins within are very hydrophilic. This gives flexible, stretchable support to elongating structures like new stems and petioles in the case of celery. | |
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High magnification of Celery Collenchyma. Note the uneven wall thickenings. | |
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This electron micrograph illustrates the uneven wall thickenings as well as the loosely organized cellulose fibrils. The Nucleus is in the center of the cell. Mitochondria are visible in the cytoplasm. | |
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