It takes about 175, 000 spermcells to weigh as much as a single egg cell.
一个卵细胞的重量相当于约175 000个精细胞的重量。
2
We focused on several key events during fertilization from membrane fusion to karyogamy of spermcells and egg cells.
探讨了从精细胞和卵细胞质膜融合到它们的核融合完成这一发育阶段的某些主要事件。
3
This couldhappen because a chimeric twin that grew from an egg which his sperm did notfertilise would nonetheless have some skin cells containing his genes.