A Simple Key For stem cell Unveiled
The zygote, that's the cell resulting through the fertilization of an oocyte by a spermatozoon, is totipotent. Various successive cell divisions crank out the morula, with 32–sixty four totipotent cells. Following that phase, it develops to the blastocyst, which includes a hollow ball of cells. Peripheral cells (the trophoblast) of your blastocys