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Paratracheal parenchyma is associated with

Option: 1

Xylem tracheids


Option: 2

Xylem vessels


Option: 3

Xylem fibres


Option: 4

Xylem parenchyma


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Xylem Parenchyma:

  • These are the parenchymatous cells associated with xylem.
  • These represent the only living component of the complex tissue xylem. 
  • These are of two types:
  • Axial/wood parenchyma: these are vertically arranged parenchyma that can develop into vessels and other members.
  • Ray parenchyma: these are horizontally arranged parenchyma that are responsible for the lateral conduction of water.
  • If xylem parenchyma is present in the diffused form, it is called apotracheal parenchyma.
  • If xylem parenchyma is present compactly around the xylem vessel, it is called paratracheal parenchyma. 
     

 

If xylem parenchyma is present compactly around the xylem vessel, it is called paratracheal parenchyma.

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seema garhwal

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