vitelline layer मीनिंग इन हिंदी

In some species of Lepidoptera, a waxy layer is present inside the chorion adjacent to the vitelline layer which is thought to have evolved to prevent desiccation.
In non-mammalian animals, the zona pellucida ( called vitelline layer ) plays an important role in preventing cross-breeding of different species, especially in species that fertilize outside of the body ( e . g . fish ).