embryonic stem cell

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embryonic stem cell

[‚em·brē¦än·ik ′stem ‚sel]
(embryology)
Undifferentiated cell derived from the inner cell mass of the blastocyst that can give rise to any of the three embryonic germ layers, and thus can form any cell or tissue type of the body, but cannot give rise to the full spectrum of cells required to complete fetal development.
References in periodicals archive ?
Each center will establish a core facility to support and train scientists and to define the growth conditions and molecular characteristics required for maintaining human embryonic stem cells in an undifferentiated state.
Osaka National Hospital was the only hospital supplying embryonic stem cells to regenerative medicine institutions in Japan.
announced that it had coaxed embryonic stem cells into retinal cells, the company's medical director, Dr.
Thus far, embryonic stem cells have been isolated from some biomedically important nonhuman research models.
Research on embryonic stem cells is at a nascent stage where government funding is critical.
For this reason, Prentice argues that scientists need not bother with morally troubling embryonic stem cells at all.
The finding that embryonic stem cells are also capable of differentiating into hair cells further expands the possibility, that we may someday develop restorative treatment of sensorineural hearing loss.
We know some of that pressure from his speech: only with both federal support and private investment will these sixty lines, it was argued, provide medicine with a powerful new source of treatments, specifically the replacement of damaged tissues by the differentiated progeny of embryonic stem cells.
Embryonic stem cells form about four days after the fertilization of sperm and egg.
Before embryonic stem cells can be used for research, they must be used to create a continuously growing "line" of master cells, a difficult laboratory process that works only a small percentage of the time.
Embryonic stem cells are derived from 5-day-old human embryos, technically called blastocysts at that stage of development.