(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
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pollen tube::noun | Spocien Dictionary
| Type | Words |
|---|---|
| Type of | plant part, plant structure |
Examples of pollen tube
pollen tube
The sperm cells are carried to their destination in the tip of the pollen-tube.
From the en.wikipedia.org
The pollen tube passes through the wall by way of structures called apertures.
From the en.wikipedia.org
It may grow a pollen tube and undergoing mitosis to produce two sperm nuclei.
From the en.wikipedia.org
Defensin-like polypeptide LUREs are pollen tube attractants secreted from synergid cells.
From the nature.com
The pollen tube does not directly reach the ovary in a straight line.
From the en.wikipedia.org
When the opening was too narrow or tight, pollen tube growth stalled.
From the sciencedaily.com
The mutant grows a pollen tube to an ovule and bursts to release sperm, a normal course of events.
From the sciencedaily.com
As the pollen tube grows, it makes its way from the stigma, down the style and into the ovary.
From the en.wikipedia.org
Pollen lands on the flower's stigma and forms a pollen tube.
From the sciencedaily.com
