胸骨(きょうこつ)

きょうこつ
noun
sternum; breastbone
1. sternum; breastbone
The flat bone at the center of the chest that connects the ribs. An important anatomical landmark in medical and first-aid contexts.
胸骨(きょうこつ)を骨折(こっせつ)した。
I fractured my sternum.
心臓(しんぞう)マッサージは胸骨(きょうこつ)の上(うえ)を押(お)す。
For chest compressions, you press on the sternum.
レントゲンで胸骨(きょうこつ)に異常(いじょう)がないか確認(かくにん)した。
They checked the X-ray to see if there were any abnormalities in the sternum.

胸骨(きょうこつ) is the flat bone at the center of the chest. Most commonly encountered in medical and first-aid contexts.

COMPOSITION:
胸(きょう) (chest) + 骨(こつ) (bone).

COMMON COLLOCATIONS:

  • 胸骨(きょうこつ)圧迫(あっぱく): chest compressions (in CPR)
  • 胸骨(きょうこつ)骨折(こっせつ): sternum fracture
  • 胸骨(きょうこつ)の上(うえ)を押(お)す: to press on the sternum

RELATED ANATOMICAL TERMS:

  • 肋骨(ろっこつ): ribs
  • 鎖骨(さこつ): collarbone
  • 背骨(せぼね): spine

FIRST AID:
In CPR (心肺蘇生法(しんぱいそせいほう)), the 胸骨(きょうこつ) is the reference point for hand placement during chest compressions.

general
Added 2026.3.21 18:53 · Revised 2026.3.25 18:40
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