noun, noun which may take the genitive case particle 'no'
breastbone; sternum
Anatomical term for the flat bone in the center of the chest. Used in medical and everyday contexts.
I have pain around the breastbone.
胸骨骨折は交通事故でよく見られる。
Sternal fractures are often seen in traffic accidents.
Compound of 胸 (chest) and 骨 (bone). The reading きょうこつ is the on'yomi for both characters.