The equivalent of a blanket in the human experiment was a ball held in the mouth of a dog which was being observed (dogs often use their mouths to manipulate things).

人类实验中的毛毯的等效物是狗嘴中叼的球，旁观者可以看得见(犬类往往用嘴来操纵物品)。

youdao

After several days, the ball of cells that results contains a blanket of embryonic stem cells endowed with the genetic material of the donor skin cell, which have the ability to generate every cell type from that donor.

CNN: SHARE THIS