As for bigger body parts, Dr Forgacs thinks they may take many different forms, at least initially.

对于大一些的身体器官，Forgacs博士认为他们可能是不同的，至少在刚开始时是不同形式的。

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"What the final outcome is going to be is difficult to predict, " says Forgacs.

CNN: Lab-grown meat gives food for thought

Forgacs says lab-grown meat is becoming increasingly necessary as the world struggles to cope with an unsustainable meat industry.

CNN: Lab-grown meat gives food for thought

When it comes to producing meat, Forgacs says the most difficult part is creating muscle tissue that tastes, looks and feels like animal flesh.

CNN: Lab-grown meat gives food for thought