Definition of periclinal in English:



  • 1(of a cell wall) parallel to the surface of the meristem.

    • ‘Ornamentation of the periclinal walls could be used to discriminate four morphological types.’
    • ‘Guard-cell walls parallel to the root surface are considered periclinal.’
    • ‘Superficially it appears to be a periclinal chimera with a chlorophyll-deficient mutation in the second layer of the meristem.’
    1. 1.1 (of cell division) taking place by the formation of periclinal walls.
      • ‘Moreover, in sun leaves, anticlinal and periclinal divisions occur almost synchronously.’
      • ‘This process is initiated by anticlinal and periclinal divisions of a few callus cells only.’
      • ‘In a number of species, regardless of their wall formation type, new periclinal cell divisions may occur when the tapetum differentiates.’
      • ‘Most parenchyma cells continue to divide by periclinal divisions.’
      • ‘They also report the absence of periclinal cell divisions at the base of the mutant awn.’


Late 19th century: from Greek periklinēs ‘sloping on all sides’, from peri- ‘around’ + klinēs ‘sloping’ (from the verb klinein).