脊索 [ㄐㄧˇ ㄙㄨㄛˇ; ji3 suo3] notochord (internal skeletal rod in primitive fish) ◄ ►
脊索 せきさく noun (common) (futsuumeishi) nouns which may take the genitive case particle `no' notochord (rudimentary spinal chord) ◄ ►