腎臓

1. Origins, structure, and basic meaning

• Structure: 腎臓 (じんぞう) is the anatomical noun read じんぞう for a kidney or the kidneys.
• Basic usage: It is located on a body model and evaluated through medical images.

2. Common pitfalls and similar expressions

• Number comes from context
  • Japanese 腎臓 does not change form for singular and plural, so the surrounding wording determines whether one or both kidneys are meant.