the world > life > biology > substance > cell > cell organelle or contents > [noun] > nucleus > types of (5)
Botany. A lentil-shaped cell nucleus. rare.
Biology. The cell-nucleus of a plant.
A small or subsidiary nucleus, or a portion of a nucleus (in various senses).
a cell nucleus that results from the fusion of two or more nuclei.
The highly organized nucleus, bounded by a nuclear membrane, that is characteristic of a eukaryotic cell.