- cambial zone
- Region in stems and roots consisting of the cambium and its recent derivatives.
Glossary of Biotechnology for Food and Agriculture . 2015.
cambial zone
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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
angiosperm — /an jee euh sperrm /, n. Bot. a plant having its seeds enclosed in an ovary; a flowering plant. Cf. gymnosperm. [ANGIO + SPERM] * * * ▪ plant Introduction any member of the more than 300,000 species of flowering plants (division Anthophyta) … Universalium
wood — wood1 woodless, adj. /wood/, n. 1. the hard, fibrous substance composing most of the stem and branches of a tree or shrub, and lying beneath the bark; the xylem. 2. the trunks or main stems of trees as suitable for architectural and other… … Universalium
Wood — /wood/, n. 1. Grant, 1892 1942, U.S. painter. 2. Leonard, 1860 1927, U.S. military doctor and political administrator. * * * I Hard, fibrous material formed by the accumulation of secondary xylem produced by the vascular cambium. It is the… … Universalium
Cambium — Coupes multiples d une tige d un angiosperme[1]. Le cambium (du latin cambio, j échange) est un tissu végétal marquant la limite entre le bois et l écorce. Présent dans les tiges et les racines des dicotylédo … Wikipédia en Français
plant development — Introduction a multiphasic process in which two distinct forms succeed each other in alternating generations. One form, created by the union of sexual cells (gametes (gamete)), contains two sets of similar chromosomes (diploid). At sexual… … Universalium
Meristem — Tunica Corpus model of the apical meristem (growing tip). The epidermal (L1) and subepidermal (L2) layers form the outer layers called the tunica. The inner L3 layer is called the corpus. Cells in the L1 and L2 layers divide in a sideways fashion … Wikipedia
CORMOPHYTES — Chez les Végétaux eucaryotes, on distingue par leur morphologie deux grands groupes, les Thallophytes, dont l’appareil végétatif est un thalle , tel celui des Algues ou des Champignons [cf. THALLE], et les Cormophytes (ou Archégoniates), dont… … Encyclopédie Universelle
MÉRISTÈMES — Le terme de méristème, du grec meristos , «partager», au sens large, définit un ensemble de cellules indifférenciées et qui conservent la possibilité de se diviser. Le végétal vasculaire montre, durant la phase d’embryogenèse, des divisions… … Encyclopédie Universelle
Écorce — L écorce est le revêtement extérieur du tronc, des branches et des racines des arbres, et plus généralement des plantes ligneuses. Écorce fossile d un arbre préhistorique (Lepidodendron) … Wikipédia en Français
