For instance, in the case of humans, the early stages of ovule formation occur before women are born, while they are still in their mother's womb. (sciencedaily.com)
At the start of reproductive life an ovary contains, on average, several thousands of immature ovules in a resting state that can last for several decades. (sciencedaily.com)
«Through examination of Arabidopsis ovules by highly sensitive live - imaging, we were able to see that successful fertilization of the two female gametes triggers an unprecedented cell fusion between the persistent synergid cell and the endosperm (SE fusion), which eventually leads to inactivation of the persistent synergid cell.» (sciencedaily.com)