secondary cambium

secondary cambium
: any of several formative layers that arise after the initial cambial layer in some roots (as of the beet) and produce a ring of tissue

Useful english dictionary. 2012.

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  • Secondary growth — In many vascular plants, secondary growth is the result of the activity of the vascular cambium. The latter is a meristem that divides to produce secondary xylem cells on the inside of the meristem (the adaxial side) and secondary phloem cells on …   Wikipedia

  • cambium — cambial, adj. /kam bee euhm/, n., pl. cambiums, cambia / bee euh/. Bot. a layer of delicate meristematic tissue between the inner bark or phloem and the wood or xylem, which produces new phloem on the outside and new xylem on the inside in stems …   Universalium

  • Cambium — In botany the cambium is a layer or layers of tissue, also known as lateral meristems, that are the source of cells for secondary growth. There are two types of cambium*Cork cambium *Vascular cambiumReferences*Taiz, L and Zeiger, E. 1998. Plant… …   Wikipedia

  • secondary phloem — noun : phloem produced by the cambium compare primary phloem * * * phloem derived from the cambium during secondary growth …   Useful english dictionary

  • secondary — I. adjective Date: 14th century 1. a. of second rank, importance, or value b. of, relating to, or constituting the second strongest of the three or four degrees of stress recognized by most linguists < the fourth syllable of basketball team… …   New Collegiate Dictionary

  • cambium — pl cambia A one or two cells thick layer of plant meristematic tissue, between the xylem and phloem tissues, which gives rise to secondary tissues, thus resulting in an increase in the diameter of the stem or root. The two most important cambia… …   Glossary of Biotechnology

  • cambium — noun /ˈkambɪəm/ A layer of cells between the xylem and the phloem that is responsible for the secondary growth of roots and stems. During winter we perceive no change in the cells of the cambium layer, which are filled with nutritive matter …   Wiktionary

  • secondary phloem — phloem derived from the cambium during secondary growth. * * * …   Universalium

  • secondary xylem — xylem derived from the cambium during secondary growth. * * * …   Universalium

  • secondary growth — Type of growth characterized by an increase in the thickness of stem and root, and resulting from the formation of secondary vascular tissues by the vascular cambium …   Glossary of Biotechnology