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Xylem Development 4
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Description: Stages in the development of the elements of the xylem. "D, steps in the formation of wood parenchyma from cambial or procambial cells. 1, group of cambial or procambial cells; 2, the same enlarged in all dimensions; 3, the same with walls thickened and pitted; 4 and 5 show the same stages as 2 and 3, but here the cells have enlarged radially or tangentially more than they have vertically. The walls of these cells are apt to become lignified, but the cells are longer lived than the wood fibers." -Stevens, 1916
Source: Stevens, William Chase Plant Anatomy (Philadelphia: P. Blakiston's Son & Co., 1916) 40
Keywords: plant anatomy, plant cells, xylem development cambial cells, procambial cells, plant cell walls, plant wood fibers, parenchyma
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