1, An embryonic cell from which a nerve cell develops.

2, Therefore, understanding the processes that embryonic cell development could have many implications.

3, The study on human embryonic cell regeneration is one of the hot issues of life science.

4, The somatic embryo of P. notoginsengoriginated from single embryonic cell insidecallus or near the surface layer.

5, A classic metaphor in biology pictures an embryonic cell at the top of a hill.

6, Unlike embryonic cell cells, cord blood cells do not involve the destruction of an embryo.

7, Conclusion Disturbance of embryonic cell behavior and related gene expression played important roles in developmental toxicity caused by methylmercury.

8, Therefore, understanding the processes that govern embryonic cell development could have many implications.

9, The surrounding cells of the embryonic cell groups degenerate, such there is the space between the groups of cell and the surrounding tissue.

10, Derived from a single fertilized ovum or embryonic cell mass. Used especially of identical twins.

11, President Obama has ended an eight - year ban on US federal funding for embryonic cell research. Mr.

12, Under the new policy,(http:///embryonic cell.html) U.S. government funds could be used only to study the dozens of embryonic cell lines already in existence — many of which proved not to be viable.

13, Reintroducing as few as four master regulatory genes into adult skin cells, for instance, caused the cells to revert to a primitive embryonic cell type.

14, The objective of this experiment was to control the rabbit embryonic cell cycle with chemicals to give programs for the cycle synchronization.

15, The hypocotyls of aseptic seedlings of Onobrychis viciaefolia Scop. were used as explants for inducing callus. The embryonic cell line ( E-line) and non-embryonic cell line (NE line) were established.