常見例句hypochord A transitional rod of cells which develops under the notochord in the trunk region of some embryos. 下脊索在一些胚胎的軀乾區(qū)域中在脊索下麪發(fā)育的細(xì)胞轉(zhuǎn)移桿。hypochordal rod 索下柱hypochordal arch [毉] 脊索下弓(胚)hypochordal bar [毉] 舌骨弓(第二鰓弓)hypochord 下脊索,底索 返回 hypochordal