egg cell


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egg cell

the unfertilized oocyte.

egg cell

n.
See egg1.

egg cell

see OVUM.
References in periodicals archive ?
1986 Steen Willadsen clones lambs by fusing the nucleus of an eightcell embryo to an egg cell with the nucleus removed.
Second, the federal government will not fund research that would establish any further undifferentiated embryonic stem cell lines, nor research into any other uses of human egg cells.
The egg cell, the pink part in the middle, is immature at this stage.
The nucleus from the udder tissue cell was `accepted' by the egg cell, and the genes in that nucleus directed the development of the egg cell into an embryo and ultimately, an adult sheep.
And the receptor egg cell must have its nucleus surgically removed.
The researchers then artificially activated the egg cell through a technique called parthenogenesis and derived stem cell lines from the blastocyst that developed.
Since the 1950s it has been thought that women are born with all of the egg cells they will ever have.
Until now, animal clones have been created by injecting the genetic material from a single animal cell into an egg cell that had its own genes removed.
In cloning, the nucleus (containing an individual's genetic code) is first removed from an egg cell and replaced with the nucleus taken from a body cell of a donor.
The DNA from an adult human body cell was then implanted into the egg cell, which was then stimulated to grow into a six-cell embryo.
transferring a nucleus from a body (somatic) cell into an egg cell from which the nucleus has been removed (enucleated).