Pollen tube

noun

Word Frequency: 0.3

Definitions

1.nounThe tube that develops from the wall of a pollen grain and, in seed plants, provides a passage through which the male nuclei reach the embryo sac to effect fertilization

Synonyms

pollen grain siphonogamy pollen pollenizer germ tube endoaperture pollen parent pollenization porogamy chalazogamy stamen self pollination

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