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Definition of Pollen tube
1. Noun. (botany) a slender tubular outgrowth from a pollen grain when deposited on the stigma for a flower; it penetrates the style and conveys the male gametes to the ovule.
Definition of Pollen tube
1. Noun. the 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 ¹
¹ Source: wiktionary.com
Lexicographical Neighbors of Pollen Tube
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