Tracheid

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macerated oak wood

Diagram comparing xylem and phloem cells, showing labeled illustrations of a vessel member, tracheids, and fiber for xylem on the left, and a sieve element, companion cell, sieve plate, sieve areas, and fiber for phloem on the right.

How the vascular system works in plants

Tracheid: Media

plant structure

Videos

How the vascular system works in plants

How the vascular system works in plants

Components of the plant vascular system.

Video: Encyclopædia Britannica, Inc.

Images

Tracheid

Tracheid

J.M. Langham

macerated oak wood

macerated oak wood

Macerated oak wood, in a microscopic view, showing a vessel member (large cell near...

© Photo Researchers—Science History Images/Alamy

Diagram comparing xylem and phloem cells, showing labeled illustrations of a vessel member, tracheids, and fiber for xylem on the left, and a sieve element, companion cell, sieve plate, sieve areas, and fiber for phloem on the right.

vascular cells

Figure 6: Cells of the xylem and phloem.

Encyclopædia Britannica, Inc.

VIEW MORE in these related Britannica articles: