noun, noun which may take the genitive case particle 'no'
chest; thorax; thoracic cage
Anatomical term for the bony structure formed by the ribs, sternum, and thoracic vertebrae. Used in medical and biological contexts; in everyday language, 胸 (むね) is more common for the chest area.
胸郭のレントゲン写真を撮りました。
I had a chest X-ray taken.
胸郭の動きを観察して呼吸の状態を評価します。
We observe the movement of the thoracic cage to assess breathing.