外长

The lacinate appendages of eupyrene sperm disappeared, and the sperm was surrounded by an envelope from top to tail.

真核精子片层外长物全部消失，从头到尾被一层外套包。

39. The cells of B group crawled outward from the tissue inoculation in 2-3 days and the cells were polygen or rotundity and contacted each other.

,2-3大部分织块边缘有细胞移行向外长出长晕,细胞呈多角形、圆形,细胞之间相互连。