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Tyloses thickenings are seen in...

Tyloses thickenings are seen in

A

collenchyma

B

phloem cells

C

ray parenchyma only

D

ray parenchyma and xylem cells

Text Solution

Verified by Experts

The correct Answer is:
D
Tyloses are balloon-like structures develop from the xylem parenchyma. These tyloses block the passage of xylem vessels and ray parenchyma.
So, also called tracheal plug. These tyloses slock the continuity and flow of water, which leads to death of elements of heartwood.
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