顎関節

1. Origins, structure, and basic meaning

• Structure: Written 顎関節 and read がくかんせつ, it denotes the joint connecting the lower jaw to the skull and enabling jaw movement.
• Basic usage: It occurs in anatomical contexts such as observing a model in class or consulting a detailed diagram.

2. Common pitfalls and similar expressions

• Joint rather than the whole jaw
  • It identifies the moving connection, not the jaw or jawbone as a whole.