中耳炎

1. Origins, structure, and basic meaning

• Structure: The disease name 中耳炎 (ちゅうじえん) denotes inflammation or infection of the middle ear.
• Basic usage: It may be taught as a medical term or mark the reason for missing an activity in 中耳炎で水泳を休む.

2. Common pitfalls and similar expressions

• Inflammation of the middle ear
  • It is the disease name for inflammation in a specific part of the ear, not a general word for ear pain.