This image shows pollen tubes growing through the microscopic obstacles in the microchip and the different reactions to the various width-tightness ratios: Squeezing through the slit shaped ...

https://doi.org/10.2307/2435552 • https://www.jstor.org/stable/2435552 Although it has been assumed that pollen tubes digest their way through the style, there is ...

The nucleus of the pollen grain passes through the pollen tube and joins with the egg cell inside an ovule in the ovary. Fruit comes from flowering plants, and it is grown in the following process ...