My grandmother has been suffering from arthritis for many years.

When I went to the dentist, I was diagnosed with the early symptoms of gingivitis.

In Chinese mythology, the Yan Emperor is said to have greatly contributed to the development of agriculture and medicine.

According to ancient myths, the Flame Emperor was said to be a god with the power to control fire.

My younger sister is missing school because of tonsillitis.

He likes to take a walk in the park at dusk.

He injured his fascia lata.

The mesentery plays a role in supporting the intestines.

The urachus is a structure that exists during the fetal period, connecting the bladder and the navel.

If you don't have regular dental check-ups, you may develop periodontitis.