Sentences with phrase «between cells in an embryo»

In this model, a system of chemicals react with each other and diffuse across a space — say between cells in an embryo.

Not exact matches

Whilst acknowledging that many questions remain unanswered in the debate between those who would advocate the use of stem cells taken from human embryos, and those experimenting on stem cells drawn from tissues of the adult human body, there is a lengthy discussion of the moral status of the human embryo as being a crucial matter in this regard.

If a fertilised egg has centrioles from both the egg cell and the sperm, its genetic material will be pulled in too many directions and it will be shared unevenly between the resulting cells, which is likely to make the embryo unviable.

Key to this method are tiny magnetically responsive droplets inserted between cells in the developing embryo.

The researchers will measure phthalates in the men's urine sample, then perform DNA methylation analyses on sperm cells and look for a statistical association between these measures as well as sperm quality and embryo development.

It is unclear why there is a discrepancy between the mitochondrial carryover detected in the human embryo versus the upward drift in some of the cells from this in vitro stem cell line.

Lineage commitment in the mammalian embryo is most often depicted as a series of binary choices between alternate cell states, and increasing evidence supports the hypothesis that fate decisions in embryonic stem (ES) cell cultures reflect these developmental processes [1].