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Found Pollen tube 3 times.

Displaying results 1 to 10.

1. Double fertilization
A characteristic of angiosperms in which a pollen tube carries two sperm cells to the female gametophyte in the ovule . One sperm cell fuses with the egg cell and gives rise to a diploid embryo The other sperm cell fuses with the two polar cells to form a triploid cell that develops into the endosperm .

2. Pollen tube
Structure produced by the tube nucleus in the pollen grain through which the sperm nucleus (or nuclei in angiosperms ) proceed to travel through to reach the egg.

3. Synergid
Cells in the embryo sac of angiosperms that flank the egg cell. The pollen tube grows through one (usually the smaller) of the synergids.

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