Tissues213-page10

Tissues213-page10 - Xylem Parenchyma Xylem rays are...

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Plant Tissues - 10 Vessel Differentiation Tracheids (found in non-flowering vascular plants as well as in some Angiosperms) Elongated, usually narrow cells with secondary walls Die at maturity Walls are pitted to permit ease of water movement Tracheids: Longitudinal section Bordered pits Xylem Fibers (sclerenchyma) Fibers are found throughout xylem to provide support
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Unformatted text preview: Xylem Parenchyma Xylem rays are parenchyma cells that conduct water laterally through wood Xylem vessels move water more efficiently than tracheids but are more vulnerable to damage, particularly from air bubbles (embolisms) and freeze/thaw of water....
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