the world > life > biology > substance > cell > cell organelle or contents > [noun] > nucleus (31)
Biology. An organelle that is present in the cells of all organisms except bacteria and similar forms, consisting of a rounded body, enclosed in a…
= nucleus, n. 7. Obsolete.
Subcategories:
— substances or structures of (10)
— types of (5)
— nucleolus or paranucleus (7)
— structure containing several (3)
— formation of (1)
— nucleus-like body (2)