塞栓

1. Origins, structure, and basic meaning

• Structure: 塞栓(そくせん) is the medical term for an embolus, material that blocks a blood vessel.
• Basic usage: It is used in lectures or diagrams explaining the blocking of a blood vessel.

2. Common pitfalls and similar expressions

• Reading the verb 塞ぐ
  • 血管を塞ぐ means blocks a blood vessel. The verb 塞ぐ(ふさぐ) modifies the following noun.
• 仕組み for an underlying mechanism
  • 塞栓ができる仕組み means the mechanism by which an embolus forms. 仕組み(しくみ) denotes how something is structured or works.