骨髄 [こつずい] /(n,adj-no) (1) bone marrow/medulla/(2) true spirit/one's mind/(P)/EntL1288610X/ 骨髄 こつずい 名 {Anat.} Knochenmark; Mark. HE 骨髄 [こつずい] /(n) moëlle/1288610
