totipotent造句
1. Totipotent cells can generate an entire organism.
2. Embryonic stem cells are totipotent.
3. Totipotent cells have the capacity to specialize into extraembryonic membranes and tissues, the embryo, and all postembryonic tissues and organs.
4. The totipotent and chromosome of the expanded ES cells were also examined.
5. Other angiosperm cultures based on totipotent cells could be adapted to similar ends.
6. Embryonic stem cells (ESC) are undifferentiated totipotent cells that could be differentiated in vivo into any kind of cells theoretically, including germ cells.
7. Totipotent - having unlimited capability. Totipotent cells have the capacity to specialize into extraembryonic membranes and tissues, the embryo, and all postembryonic tissues and organs.
8. In the first hours after fertilization, this cell divides into identical totipotent cells.
9. Approximately four days after fertilization and after several cycles of cell division, these totipotent cells begin to specialize.
10. There was, until now, uncertainty about which stage of early development the blastomeres ceased to be totipotent , i. e. able to develop into all cell types of the body.
11. But to make a true clone a cell needs to be not just pluripotent, but totipotent and thus able to turn into an entire animal.
12. In SCNT, the somatic nuclei must be remodeled from highly differentiated patterns to a totipotent embryonic pattern.
13. Human development begins when a sperm fertilizes an egg and creates a single totipotent cell.
14. At this point a small number of embryonic cells, but they are still totipotent cells.
15. The transition of the highly differentiated oocyte into the totipotent blastomeres is a fundamental process during the development of mammalian preimplantational embryo.