Oocytes play an important role in the reproduction of organisms.

This cell is dividing very actively.

The activity of brain cells directly affects our thoughts and actions.

Cytology is a branch of biology that studies the structure and function of cells.

Cell division is one of the basic processes of life.

Stem cell research is opening up new frontiers in medicine.

The cell nucleus holds genetic information.

The cell membrane plays an important role in maintaining the structure of the cell.

Somatic cells are part of the cells that make up an organism's body.

Macrophages play a role in taking in and breaking down foreign substances in the body.