The phrase "new nuclei" generally refers to the formation or development of new centers or core elements in a particular context. It implies the creation or emergence of fresh focal points that may drive change or growth. Full definition
That was enough time for the team to transfer new nuclei into dozens of egg cells. (sciencemag.org)
In addition, researchers are trying to predict new nuclei where nuclear fission might be possible. (scientificamerican.com)
When committed to myogenic differentiation, SCs proliferate further, fuse to existing SkM fibers, and contribute new nuclei to the growing and regenerating fibers. (fightaging.org)