Biology / Bio 2503 · Atom · ~20 seconds
Meristematic versus Permanent Tissue
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Meristematic tissue consists of continuously dividing, undifferentiated cells; permanent tissue consists of differentiated cells that no longer divide.
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A root tip's dividing meristem cells give rise to permanent cells that specialize into dermal, vascular, or ground tissue.
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"Permanent" describes lost division ability, not lifespan — many permanent cells go on functioning actively for years.