胆石

1. Origins, structure, and basic meaning

• Structure: 胆石 is a medical noun combining characters associated with bile and stone; it is read たんせき and means a gallstone.
• Basic usage: It appears in examination or imaging explanations concerning how gallstones form or where one is located.
  • 検査の説明で、胆石ができる仕組みを学びました。 concerns learning the formation process; 医師は画像を示しながら胆石の位置を説明しました。 describes a doctor explaining the location from an image.

2. Common pitfalls and similar expressions

• 胆石ができる
  • が marks the gallstone as what forms, and the expression concerns the formation process.
• 胆石の位置
  • の links the gallstone to its location. Explaining a location alone does not establish a cause or degree.
• 胆石 and 石
  • 石 is an ordinary stone, while 胆石 is a specific term used in examination and medical contexts. Do not substitute one for the other without context.