December,03,2008    You are logged in as: Guest
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Ectoderm
Upper, outermost layer of a group of cells derived from the inner cell mass of the blastocyst; it gives rise to skin nerves and brain.
Embryo
In humans, the developing organism from the time of fertilization until the end of the eighth week of gestation, when it becomes known as a fetus.
Embryoid bodies
Clumps of cellular structures that arise when embryonic stem cells are cultured.
Embryonic germ cells
Cells found in a specific part of the embryo/fetus called the gonadal ridge that normally develop into mature gametes.
Embryonic stem cells
Primitive (undifferentiated) cells from the embryo that have the potential to become a wide variety of specialized cell types.
Embryonic stem cell line
Embryonic stem cells, which have been cultured under in vitro conditions that allow proliferation without differentiation for months to years.
Endoderm
Lower layer of a group of cells derived from the inner cell mass of the blastocyst; it gives rise tolungs and digestive organs.
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