卵质收回时，在卵表面卵柄处可见明显的树枝状结构。

The evident arborization structure was observed at the egg handle on egg surface when the egg protoplasm drew back.

youdao

卵质收回时，在卵表面卵柄处可见明显的树枝状结构。

The evident arborization structure was observed at the egg handle on egg surface when the egg protoplasm drew back.

youdao