abscission layer

abscission layer

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


Origin:
1915–20
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Abscission layer is always a great word to know.
So is multicellular diploid. Does it mean:
organisms having pairs of homologous chromosomes
sexual form of a haploid plant in the alternation of generations
Collins
World English Dictionary
abscission layer
 
n
a layer of parenchyma cells that is formed at the bases of fruits, flowers, and leaves before abscission. As the parenchyma disintegrates, the organ becomes separated from the plant

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