Nucleoli

Definition

The nucleolus is a small dense spherical structure in the nucleus of a cell during interphase. It's involved in protein synthesis, and produces and assembles ribosome components.

Related terms

Ribosomes:

These are tiny organelles that play an important role in protein synthesis. They can be found floating freely in the cytoplasm or attached to the endoplasmic reticulum.

Nucleus:

This is like the control center of a cell, containing most of its genetic material. It regulates all activities within the cell.

Interphase:

This is part of the cell cycle where a cell prepares for division by replicating its DNA and other organelles.