vascular cambium

noun

1. cambium.

vascular cambium

1. 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.

2. See more at cambium

Example Sentences

The driving force behind each of these patterns is a bundle of cells behind the bark called the vascular cambium.

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Genetic analysis of the trees’ vascular cambium — a thin layer of cells that lies just underneath the bark, and creates new living tissue — showed “no evidence of senescence,” or cell death, the authors wrote.

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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.

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The trees grow up and out: Up, with a cell-generating region called the apical meristem, and out, with the vascular cambium.

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Shaving the scion in this way exposes its vascular cambium—a ring of plant tissue full of dividing cells that increase the branch’s girth.

Read more on Scientific American