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Meristematic tissue has a number of defining features, including small cells, thin cell walls, large cell nuclei, absent or small vacuoles, and no intercellular spaces. The apical meristem (the growing tip) functions to trigger the growth of new cells in young seedlings at the tips of roots and shoots and forming buds.
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Characteristics of meristematic tissues:
- The cells of meristematic tissue are living and possess the power of division.
- Each cell contains dense protoplasm and prominent nucleus.
- The cells are small isodiametric, oval or polygonal in shape.
- The cells are compactly arranged without intercellular spaces.
- The cell wall is thin, elastic and made up of cellulose.
- It shows the presence of large number of mitochondria. The rate of respiration is very high owing to rapid metabolism.
- They contain few vacuoles or no vacuoles at all.
- Meristematic cells usually divide in a particular plane of division.
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