He injured his aponeurosis.

The fascia is an important part that wraps around the muscles.

During pregnancy, the decidua plays a crucial role in protecting the fetus.

The allantois plays an important role in the development of the fetus.

The membrane potential of nerve cells is a fundamental mechanism of information transmission.

The membrane surrounding a bird's egg plays an important role in protecting the egg.

He contracted meningitis.

By chance, he met my old friend.

In the early morning, he brewed coffee and started his day.

He completed the project in a week.