Hara K
Hubrecht Laboratory, Utrecht, The Netherlands.
Wilhelm Roux Arch Entwickl Mech Org. 1971 Jun;167(2):183-186. doi: 10.1007/BF00577039.
Prior to the appearance of the cleavage furrows circular or semicircular zones suggesting surface contraction originate at the future initiation point of the cleavage furrow. They expand and travel in animal-vegetative direction.
在卵裂沟出现之前,表明表面收缩的圆形或半圆形区域在卵裂沟的未来起始点处形成。它们扩展并沿动物性极 - 植物性极方向移动。