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Pit Development
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Description: "Different stages in the development of a bordered pit. b, The original, thin, primary wall; a, the overhanging border formed as the wall thickened. B, Thickening of the wall has continued and extended the border; the primary wall has thickened at c, forming the torus. C, the border and the torus are finished." -Stevens, 1916
Source: Stevens, William Chase Plant Anatomy (Philadelphia: P. Blakiston's Son & Co., 1916) 113
Keywords: plant anatomy, plant cells, bordered pit development, torus, plant pit stages
Copyright: 2009, Florida Center for Instructional Technology. See license.
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