Xylem Diagram Tracheids. The wood of ancient vascular plants was exclusively made of tracheids. Xylem also contains two other cell types.
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The wood of ancient vascular plants was exclusively made of tracheids. Xylem can be found. Xylem also contains two other cell types.
Tracheids are less specialized than the vessel members and are the only type of water conducting cells in most gymnosperms and seedless vascular plants.
The cells are non living at their maturity and the mature cells are empty without protoplast. It conducts water to various parts of the plant from roots. Xylem originates from the greek word xylon that means wood. Tracheids are one of two types of tracheary elements vessel elements being the other.
