Lenticels are found in

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(B) Lenticels are lens-shaped openings found in the bark of older woody stems. They are formed during secondary growth when the cork cambium (phelloge

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Old dicot stem

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(B) Lenticels are lens-shaped openings found in the bark of older woody stems. They are formed during secondary growth when the cork cambium (phellogen) produces loosely arranged parenchyma cells instead of cork cells at certain spots. These structures facilitate the exchange of gases between the internal tissues of the stem and the outer atmosphere.

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