Vocabulary
Stem cells can grow into more stem cells or become different (differentiate).
Embryonic cells are totipotent and can become any type of cell.
Adult (somatic) stem cells are pluripotent and can become a certain type of cell (such as a blood stem cell becoming a red or white blood cell).
Blastocysts are 3 to 5 day old embryos containing pluripotent embryonic stem cells inside.
Embryonic cells are totipotent and can become any type of cell.
Adult (somatic) stem cells are pluripotent and can become a certain type of cell (such as a blood stem cell becoming a red or white blood cell).
Blastocysts are 3 to 5 day old embryos containing pluripotent embryonic stem cells inside.