What are pits in xylem?

Related questions

1. What is the Protoxylem?
2. What are the four types of xylem?
3. What is Protoxylem and Metaxylem?
4. What does the xylem do?
5. How is xylem formed?
6. What are xylem Fibres?
7. Why does xylem have dead cells?
8. What is Exarch condition?
9. What is centrifugal xylem?
10. What are some examples of xylem?

Tags

1. #bordered
2. #vessels
3. #higher
4. #transport
5. #xylem
6. #plants
7. #system
8. #essential
9. #walls
10. #cavities
11. #tracheids
12. #conduits
13. #lignified
14. #components
15. #water