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Topic: Sclereid


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In the News (Thu 24 Dec 09)

  
  Plant Science Bulletin - 1955, Volume 1, Issue 4
Ramified sclereids are often extremely individualistic in character since their branches may extend into the epidermis and may even penetrate the pores of stomata.
Bloch (1946) found that the branched sclereids in aerial roots of Monstera originate from the "polarized" and unequal divisions of certain cells at the basal ends of the vertical files of young cortical parenchyma cells.
Following the unequational division of each "mother cell," the smaller of the two daughter cells is densely cytoplasmic, possesses an enlarged nucleu, and ultimately develops into a ramified sclereid; the larger of the two daughter cells becomes a parenchyma cell of the cortex.
www.botany.org /PlantScienceBulletin/psb-1955-01-4.php   (6511 words)

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