Read Edit View history 脊索 jǐsuǒ notochord Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 脊索 jǐsuǒ notochord noun, expression · notochord (anatomy) 脊索是脊索动物胚胎发育过程中的一个支撑结构。 Edit Delete References Add reference No references for this word.