Your information has actually been despatched successfully. We'll be sending you a mail shortly - remember to check your mailbox and spam folder. Embryonic stem cells. These stem cells originate from embryos which might be a few to 5 times outdated. At this time, an embryo is called a blastocyst http://colorado-stem-cell-treatm02222.mpeblog.com/12896604/the-smart-trick-of-stem-cell-therapy-colorado-springs-that-nobody-is-discussing