| cambium | <plant biology> Meristematic plant tissue, commonly present as a thin layer which forms new cells on both sides. Located either in vascular tissue (vascular cambium), forming xylem on one side and phloem on the other or in cork (cork cambium or phellogen). <pathology> Inner region of the periosteum from which osteoblasts differentiate. (08 Oct 1997) |
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| cambium layer | The inner osteogenic layer of the periosteum, a highly cellular zone immediately beneath the epithelium covering a botryoid sarcoma. (05 Mar 2000) |
| vascular cambium | Lateral meristem that forms the secondary tissue and is located between the xylem and phloem. (09 Oct 1997) |
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| fascicular cambium | <plant biology> Form of cambium present in the vascular bundles of higher plants. (18 Nov 1997) |