xylem ray

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Related to xylem ray: cork cambium

xy′lem ray`

a vascular ray extending into or located entirely within the xylem. Also called wood ray.
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References in periodicals archive ?
fibre tracheids surrounding vessels and xylem ray parenchyma were resistant to decomposition.
The xylem rays of eucalypts are almost exclusively 1 -3-seriate (3,7,8) but may reach 5 cells wide in rare specimens.
The axial alignment of tracheids, vessels, fibers, radial arrangement of the xylem ray parenchyma allow to wide spread distribution of hyphae whitin the xylem [15,22,7,6].