Science news articles about 'inner cell mass'

... cause embryonic stem cells — which originate from the inner cell mass of the blastocyst — to become more like ... embryos to foster mothers, the ES-TS cells went to work exclusively laying the foundation ...

... derived from a group of cells called the inner cell mass in a very early stage embryo ... receptor kinase). This approach insulates the stem cell from signals that would normally cause it to differentiate ...

... going to differentiate into any kind of specialised cell, one X chromosome is turned off again, ... embryos reactivate the X chromosome in the inner cell mass at the blastocyst stage so that the derived ...