胸きょう骨こつ

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.

• 胸きょう骨こつのあたりが痛いたむ。

  I have pain around the breastbone.

• 胸きょう骨こつ骨こっ折せつは交こう通つう事じ故こでよく見みられる。

  Sternal fractures are often seen in traffic accidents.