About Lesson
Xylem
Consists of tracheids and vessels.
Their walls are lignified and hence dead.
The cells are elongated and connected end to end forming a continuous column.
Functions
- Offer mechanical support.
- Conduct water and mineral salts from the roots to other parts of the plant.
Vessels have lignin is distributed unevenly in rings, spirals or patches on their walls.
Xylem vessels
Xylem tracheids
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