Difference between Phelloderm and Phellom
Difference between Phelloderm and Phellom are in tabular form below –
No. |
Phelloderm |
Phellom |
Definition |
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1. | A layer which is made up of living cells, possess cells which resemble parenchyma cells in the cortex, are inward formed Phellogen derivatives, layers of it varies with age, species and season, this is referred to as Phelloderm. | A protective layer which contains dead cells, protects from excessive evaporation, from microorganisms attack and is an outer tissue of bark, this is referred to as Phellom. |
Cork |
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2. | This is a secondary cortex in the plant. | This is an actual cork in the plant. |
Lenticels |
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3. | Phelloderm layer does not contain lenticels. | Phellom layer contains lenticels. |
Cells |
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4. | This layer of phelloderm contains living cells. | This layer of phellom contains non-living cells. |
Composition |
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5. | Composition of this layer takes place on the inner side of phellogen. | Composition of this layer takes place on the outer side of phellogen. |
Function |
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6. | The food is synthesized and stored by this layer. | The main function of this layer is Protection. |