I am majoring in cytology at university.

Neurons are responsible for transmitting information in the brain.

Oocytes play an important role in the reproduction of organisms.

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

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

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

The cell nucleus holds genetic information.

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

Stem cell research is opening up new frontiers in medicine.

I make breakfast every day.