検診

1. Origins, structure, and basic meaning

• Structure: 検診 (けんしん) is a health examination for prevention or early detection. The examples use a general checkup and compound 定期検診.
• Basic usage: An employee receives a company checkup; the date of a periodic exam is entered in a notebook.

2. Common pitfalls and similar expressions

• Workplace checkup received and recurring exam scheduled
  • 検診を受ける takes the examinee's perspective; 定期 specifies recurrence. Its screening purpose may differ from symptom-driven 診察.