pollen tube


Definition of POLLEN TUBE

:  a tube that is formed by a pollen grain and conveys the sperm nuclei to the embryo sac of an angiosperm or the archegonium of a gymnosperm

First Known Use of POLLEN TUBE



Next Word in the Dictionary: polleraPrevious Word in the Dictionary: pollen sacAll Words Near: pollen tube
July 04, 2015
stringent Hear it
rigorous, strict, or severe
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears