声帯

1. Origins, structure, and basic meaning

• Structure: 声帯(せいたい) is a noun for the vocal cords, which vibrate in the throat to produce the voice.
• Basic usage: The mechanism of vibration appears in 声帯が振動する仕組み, while observing their movement appears in 声帯の動きを確認する.

2. Common pitfalls and similar expressions

• Organ and movement
  • 声帯 names the anatomical structure, while 声帯の動き names the movement of that structure.
• Subject and possession
  • Use 声帯が when the vocal cords vibrate and 声帯の動き when referring to their movement.