In other cells, mitochondria remain fixed at points of high energy demand.

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In other cells, mitochondria remain fixed at points of high energy demand.

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Intercalary meristem

meristem which occurs between mature tissues is known as intercalary meristem

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Intercalary meristem

They occur in grasses and regenerate parts removed by the grazing herbivores

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Lateral meristem

Present on lateral side and increases thickness, girth and diameter

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Lateral meristem

They are cylindrical meristems

Examples of lateral meristems- vascular cambium and cork-cambium

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Vascular Cambium

The meristematic layer that is responsible for cutting off vascular tissues – xylem and pholem – is called vascular cambium

young stem it is present in patches as a single layer between the xylem and phloem. Later it forms a complete ring

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Formation of cambial ring

The cells of medullary rays, adjoining these intrafascicular cambium become meristematic and form the interfascicular cambium. Thus, a continuous ring of cambium is formed