二に分ぶん脊せき椎ついMeaningsNoun1. spina bifidaKanji used二two分part脊backbone椎part of the spineComposed of二に分ぶんhalving; dividing (into two parts); bisection; the two equinoxes (vernal and autumnal)Noun脊せき椎ついspine; vertebral column; spinal column; backbone; vertebraNoun