stem cell clinic Fundamentals Explained
The zygote, which happens to be the cell ensuing through the fertilization of the oocyte by a spermatozoon, is totipotent. Various successive cell divisions make the morula, with 32–sixty four totipotent cells. After that phase, it develops into the blastocyst, which is made of a hollow ball of cells. Peripheral cells (the trophoblast) of the bla