pollen tube
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About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.pollen tube
nounDefinition 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
See First Known Use of POLLEN TUBE
1835
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Previous Word in the Dictionary: pollen sac
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