Distinguish between the following: Protoxylem and metaxylem.
(N/A) The differences between protoxylem and metaxylem are as follows:
| Feature | Protoxylem | Metaxylem |
| :--- | :--- | :--- |
| Formation | It is the first-formed primary xylem. | It is the later-formed primary xylem. |
| Maturation | It matures before the growth and differentiation of plant organs. | It matures after the growth and differentiation of plant organs. |
| Vessel Diameter | It has vessels with a smaller diameter. | It has vessels with a larger diameter. |
| Tyloses | Tyloses are generally absent. | Tyloses are generally present. |
| Fibres | Xylem fibres are typically absent. | Xylem fibres are typically present. |
| Feature | Protoxylem | Metaxylem |
| :--- | :--- | :--- |
| Formation | It is the first-formed primary xylem. | It is the later-formed primary xylem. |
| Maturation | It matures before the growth and differentiation of plant organs. | It matures after the growth and differentiation of plant organs. |
| Vessel Diameter | It has vessels with a smaller diameter. | It has vessels with a larger diameter. |
| Tyloses | Tyloses are generally absent. | Tyloses are generally present. |
| Fibres | Xylem fibres are typically absent. | Xylem fibres are typically present. |
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