Nucleus (plural: nuclei) means the center of something. It might mean:
- Cell nucleus, which is the part that controls the cell, or the very center
- Atomic nucleus, the center of an atom
- Comet nucleus, the solid, central part of a comet
- Nucleus (brain)
|This disambiguation page lists articles with similar titles.
If a link brought you here, you can go back and fix it so it goes straight to the right page.