Atlas of plant and animal histology

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Glossary: X

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Xerophyte: (or xerophyle) it is a type of plant adapted to very dry environments.

♣ Plant organs: Primary root.

Xylary fiber: (in plants) they are sclerenchyma cells found in the xylem of the vascular bundles

Xylem: (in plants) it is a tissue of vascular plants specialized in the conduction of water and mineral salts from the root to the rest to the plant body. There are two types of xylem: primary and secondary. Primary xylem is derived from the procambium meristem. Initially, the primary xylem is named protoxylem, that is later differentiated into metaxylem. In plants with secondary growth, the vascular cambium meristem produces secondary xylem. There are four cellular types in the xylem: two conducting cells: tracheids and vessel elements, a two non-noconducting cells: parenchyma cells and sclerenchyma.

♣ Plant tissues: Vascular, Xylem.
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