subnucleus
/sʌbˈnuːkliəs/
noun
- A smaller or secondary nucleus within a larger nucleus, especially in a biological cell or in physics.
- The cell's nucleus contains several subnuclei that regulate different genetic functions.
- In the atomic model, a subnucleus might refer to a cluster of particles within the main nucleus.
- Researchers identified a subnucleus in the brain that controls specific emotional responses.