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Protoxylem is the first part of the primary vascular tissue in plants called xylem that matures. Its function is to transport water to the shoot in the early stages of the growth of the plant.

Metaxylem is a part of primary xylem that differentiates after the protoxylem.

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What part of a leaf allos carbon dioxide to enter?

xylem and ploem


When was Johan Sebastiaan Ploem born?

Johan Sebastiaan Ploem was born on 1927-08-25.


What is xylem and ploem in the flower?

It's in the stems not the flowers. Xylem and phloem are the pipes in a plant through which nutrients and water travel. Similar to the arteries and veins of a human. The xylem tubes are the pipes through which water and minerals travel from the roots up to every other part of the plant. The phloem are the pipes through which the food (glucose) travels from the leaves to every other part of the plant.


Why does a plant's transport of sugar differ from its transport of water?

Because sugar is transported through phloem and water is transported through xylem.


How does vascular cambium get energy?

Vascular cambium cells get energy from food supplied by ploem cells


Xylem have what?

Vascular plants have xylem


What is trasported by the xylem?

Water is transported by the xylem.


What are the tubes called in plants the carry water into the plant?

This is the vascular tissue xylem.


How many types of elements together make up the xylem tissue?

In Angiosperms , it is xylem vessels ( proto and meta xylem together ) , Xylem sclerenchyma and xylem parenchyma ; together form Xylem tissue ( That is why xylem is called a compound tissue ). In Gymnosperms , xylem vessels are replaced by Xylem tracheids . All other tings are almost the same .


What is the common name for secondary xylem?

primary xylem is primary in nature & is derived from procambium. But secondary xylem is secondary in nature and derived from fascicular cambium and interfascicular cambium. Primary xylem is differentiated into protoxylem and metaxylem, but secondary xylem has no such differentiation. In primary xylem vessels and tracheids are long and narrow, and vessels don't have tyloses, but in secondary xylem, vessels are blocked by tyloses, and vessels and tracheids are wider and shorter. Xylem fibres are more abundant in secondary xylem , and found in small numbers in primary xylem. Also unlike in primary xylem, secondary xylem has differentiated into sapwood & heartwood.


What are tubes that carry fluids from the roots up to leaves of vascular plants?

xylem and phloem


What are two kind of xylem and their functions?

1. Centripetal xylem 2. Centrifugal xylem both types are involved in conduction