medullary ray


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medullary ray

n
(Botany) any of the sheets of conducting tissue that run radially through the vascular tissue of some higher plants

med′ullary ray′


n.
a vertical band or plate of unspecialized tissue that radiates between the pith and the bark in the stems of woody plants.
[1820–30]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.medullary ray - a sheet of vascular tissue separating the vascular bundlesmedullary ray - a sheet of vascular tissue separating the vascular bundles
vascular tissue - tissue that conducts water and nutrients through the plant body in higher plants
References in periodicals archive ?
Quarter sliced intentionally produces straight grain while maximizing the amount of medullary ray "flake" seen.
West said the veneer generally is sliced into quarters to produce "a distinct medullary ray or flake.
With the medullary ray figure from quarter sawn oak, a bundle of 24 leaves can yield radically different looks from leaf one to leaf 24," said Barrett.
The same average features were found in oak from Moravia, while the TABULAR DATA OMITTED few samples of Russian oak compared with Ozark wood with the exception that the medullary ray structure, was significantly poorer and could give rise to porosity.