髄ずい内ない釘ていMeanings1nounintramedullary rod; intramedullary nailmedicineMedical term for a metal rod inserted into the medullary cavity of a bone to stabilize fractures.大だい腿たい骨こつ骨こっ折せつの治ち療りょうに髄ずい内ない釘ていが用もちいられた。An intramedullary nail was used to treat the femoral fracture.
