He took these cells and injected them back in to the ear into the otic vesicle.
他提取出这些细胞，然后注射到耳部泡囊中。
2
Next they used specific growth factors to transform them into "otic-progenitor" cells (otic means ear).
然后他们利用特殊的增长素将这些细胞转成耳内祖源细胞。
3
Note: Warming an otic product by holding the bottle in hand for 1-2 min may minimize dizziness and pain on application; do not heat above body temperature.