Last Updated
：2026/01/09
骨髄
Hiragana
こつずい
Noun
Japanese Meaning
骨の内部にある柔らかい組織。造血作用を担う。 / 転じて、心の奥底・本心・本質的な部分をたとえていう語。 / 物事の肝心なところ、核心。
Easy Japanese Meaning
ほねのまんなかにあるやわらかいところで、ちをつくるだいじなぶぶん
Chinese (Simplified) Meaning
骨髓 / 内心深处（比喻） / 核心要点
Chinese (Traditional) Meaning
骨髓 / 內心深處 / 精髓
Korean Meaning
골수 / 마음 깊은 곳 / 핵심
Indonesian
sumsum tulang / lubuk hati terdalam / pokok utama
Vietnamese Meaning
tủy xương / đáy lòng / điểm cốt lõi
Tagalog Meaning
utak ng buto / kaibuturan ng puso / ubod
Sense（1）
bone marrow
Sense（2）
one's innermost depths, the bottom of one's heart
Sense（3）
the most important point
（ canonical ）
（ romanization ）
（ kyūjitai ）
（ hiragana ）
Quizzes for review
bone marrow / one's innermost depths, the bottom of one's heart / the most important point
See correct answer
骨髄
See correct answer
He underwent a bone marrow transplant surgery.
See correct answer
彼は骨髄移植の手術を受けました。
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