The relationship between calcium distribution and synergid degeneration as well as its functions was discussed .

讨论了钙的分布与助细胞的退化及其功能的关系。

They may represent what remains of the archegonium in angiosperms and the pollen tube may penetrate a synergid first , but they do not participate in the fertilization process and abort soon afterwards .

它们扮演了残留的被子植物藏卵器的角色。花粉管可首先穿透其中一个助细胞，但助细胞并不参与到受精过程中去，而且随后会消亡。