TYPES OF STEM CELLS

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TOTIPOTENT STEM CELLS

This form of stem cells has the full ability to develop into all other types of cells within the body. They are present at fertilization and for 4 days immediately following conception, at which point they then become pluripotent.

PLURIPOTENT STEM CELLS

Pluripotent stem cells can develop into any type of cell in the body, except for the cells necessary for fetal development. Generally, pluripotent stem cells are taken from embryos that are a few days old, or are derived from fetal tissue obtained from terminated pregnancies.

MULTIPOTENT  STEM CELLS

These stem cells can only develop into cells with the same tissue of origin. For example, blood stem cells can develop into other blood cells, but not into brain cells.