梗塞

1. Origins, structure, and basic meaning

• Structure: 梗塞(こうそく) is the medical term infarction, tissue damage caused by blocked blood flow.
• Basic usage: It appears in condition names or explanations of where an infarction occurred.

2. Common pitfalls and similar expressions

• The preceding word identifies the body site
  • In 脳梗塞, 脳 refers to the brain; in 心筋梗塞, 心筋 refers to heart muscle.