What are the main types of stem cell and where do they come from

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Akira Foster

Geography

18 January, 03:45

What are the main types of stem cell and where do they come from

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Tristan Tanner · Answer 1

Embryonic stem cells.

These stem cells come from embryos that are three to five days old. At this stage, an embryo is called a blastocyst and has about 150 cells. These are pluripotent (ploo-RIP-uh-tunt) stem cells, meaning they can divide into more stem cells or can become any type of cell in the body.