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phragmoplast

[ frag-muh-plast ]

noun

, Botany.
  1. the cytoplasmic structure that forms at the equator of the spindle after the chromosomes have divided during the anaphase of plant mitosis, and that initiates cell division.


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Word History and Origins

Origin of phragmoplast1

1910–15; < Greek phrágm ( a ) fence ( phragmites ) + -o- + -plast

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