Originally Posted by MrFatbooty
Then you have some other thing which I forget the name of because I don't have my high school biology textbook handy, which is a zygote which has divided into multiple cells but has not yet implated itself in the uterine wall.
Blastocyst
If i remember my high school biology correctly. Though I might just be making that up. Bah, too lazy to do a google search.