Definitions
There is 1 meaning of the phrase
Pollen Tube.
Pollen Tube - as a 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
Example Sentences
"The pollen tube carries the male gamete to the ovule."
"Fertilization occurs when the pollen tube penetrates the ovule."
"The growth of the pollen tube is essential for successful pollination."
"Pollen tubes are composed of cells called pollen tube cells."
"The pollen tube elongates through the style towards the ovary."
