Sentence Examples


  • The separation of layers in the apical meristem of the root is usually very much more obvious than in that of the stem.
  • The branches of the stem arise by multiplication of the cells 01 the epidermis and cortex at a given spot, giving rise to a protuber ance, at the end of which an apical meristem is established.
  • If this division occurs by means of a localized secondary meristem connecting the cambial layers of adjacent bundles, an inlerfascicular is formed in addition to the fascicular cambium.
  • An ordinary cambium is scarcely ever found in the Monocotyledons, but in certain woody forms a secondary meristem is formed outside the primary bundles, and gives rise externally to a little secondary cortex, and internally to a secondary parenchyma in which are developed numerous zones of additional bundles, usually of concentric structure, with phloem surrounded by xylem.
  • In nearly all plants which produce secondary vascular tissues by means of a cambium there is another layer of secondary meristem arising externally to, but in quite the same fashion as, Ph II