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pollen tube

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Bumblebee Pollination
convenient and effective learn more on our website:
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pollen tube

 
Use pollen tube in a Sentence
–noun Botany.
the protoplasmic tube that is extruded from a germinating pollen grain and grows toward the ovule.
Origin:
1825–35
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Bumblebee Pollination
convenient and effective learn more on our website:
www.Koppert.com
pollen tube  
n.  The slender tube formed by the pollen grain that penetrates an ovule and releases the male gametes.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Science Dictionary
pollen tube  
The slender tube that is formed after pollination by division of the tube cell in a pollen grain. The pollen tube penetrates the ovule and releases the male gametes.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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