Question

What are passage cells?

Answer 1

Passage cells:

1. They are endodermal cells present in older roots that have not undergone suberization and are devoid of Casparian strips.
2. They are vital for solute transport into the stele, the central part of the root.
3. They are present in the endodermal layer of vascular plants and carry water and minerals from the cortex of the plant to the xylem.
4. They offer low resistance to the transport of materials.
5. They are referred to as passage cells as they offer the passage way for carrying water and minerals from the cortex to the xylem components.