livetin

Then their synthese speed slows down.But the synthese of RNA and DNA inthe follicular cell is continuous during vitellogenesis, which may relate toformation of livetin.

而泡上皮细胞在母细胞期，它的RNA和DNA的合均较快，因此认为泡上皮细胞合分泌了一些物质蛋白的。