The inner ear, which mediates hearing and equilibrium, develops from an ectodermal placode located adjacent to the developing hindbrain.
内耳是调节听力和平衡的器官，来源于外胚层邻近后脑的生长板。
2
And then, moving the evaporating plating fountain to the evaporating plating room, which can plates the evaporating plating fountain onto the placode by the film forming divece.
接着，将蒸镀源 移至蒸镀室内，以通过成膜装置将蒸镀源蒸镀至基板上。
3
Reptiles have placodes too. But in a reptile embryo each placode switches on genes that cause only the skin cells on the back edge of the placode to grow, eventually forming scales.