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Tag Archives: stem cell

What are bone marrow and hematopoietic stem cells?

Bone marrow is the soft, sponge-like material found inside bones. It contains immature cells known as hematopoietic or blood-forming stem cells. (Hematopoietic stem cells are different from embryonic stem cells. Embryonic stem cells can develop into every type of cell in the body.) Hematopoietic stem cells divide to form more blood-forming stem cells, or they mature into one of three types…

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Stem Cell

Stem cells are undifferentiated biological cells that can differentiate into specialized cells and can divide (through mitosis) to produce more stem cells. They are found in multicellular organisms. In mammals, there are two broad types of stem cells: embryonic stem cells, which are isolated from the inner cell mass of blastocysts, and adult stem cells, which are found in various tissues. In adult organisms, stem cells and progenitor cells act as a repair system for…

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Egg cells from stem cells can be applied in infertility treatment

Stem cells extracted from human ovaries can be used to generate egg cells to be applied in infertility treatment, said researchers at Massachusetts General Hospital as quoted by media reports Monday. Lead researcher Dr. Jonathan Tilly said: “The discovery of oocyte precursor cells in adult human ovaries, coupled with the fact that these cells share the same…

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