תּלמוד אויף בראשית 2:21

It is quite right according to him who says it was a face ; that is what is written, "He closed up the place with flesh instead thereof " (ibid. ii. 21). But according to him who said it was a tail, what means "He closed up the place with flesh instead thereof"? R. Jeremiah (other versions : Rab Zebid ; Rab Nahman b. Isaac) said : That was only necessary in the place of the wound.

Antoninus said to Rebbe At what point is the soul given to a human? Is it from the moment of decree [that such a child will exist], or from the moment of formation? He responded: "from the moment of formation." He replied, "is it possible that a piece of meat can last for three days without salt, and yet not become rotten? Rather it must be from the moment of decree." Rebbe said: "This thing that I learned from Antoninus, and there is a supporting verse: [Job 10] Your Providence has guarded my soul."