vascular cambium
Americannoun
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A cylindrical layer of cambium that runs through the stem of a plant that undergoes secondary growth. The vascular cambium produces vascular tissues, new xylem on its interior side and new phloem on its exterior side. All woody plants and most eudicots have vascular cambium.
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See more at cambium
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
By examining the genetics of the vascular cambium, a layer or cylinder of living cells behind the bark, they found that the ginkgo grows wide indefinitely through old age.
From New York Times ● Jan. 13, 2020
The trees grow up and out: Up, with a cell-generating region called the apical meristem, and out, with the vascular cambium.
From New York Times ● Jan. 13, 2020
Secondary growth occurs in meristems called the vascular cambium and cork cambium; this is when older stems and roots increase in thickness and length.
From Textbooks ● Jan. 1, 2018
The activity of the vascular cambium gives rise to annual growth rings.
From Textbooks ● Jan. 1, 2015
Attached to the vascular cambium are primary phloem and primary xylem.
From Textbooks ● Jan. 1, 2015
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
