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May 21, 2012
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Dictionary


abscis'sion lay"er



Bot.
the layer of specialized, cutinized parenchyma cells that develops in the abscission zone, the disintegration of which causes abscission. Also called separation layer.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

abscissionabscission zone
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