We show that the lingual cervical loop contains a small core of stellate reticulum cells and suggest that it acts as a functional stem cell niche.

我们发现切牙的舌侧的颈环结构内也包括少量的星网状层细胞，推测其可能发挥干细胞龛的作用。

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Is this true, or are adult stem cells and cord cells in fact viable alternatives that avoid the moral controversies that are at the core of the embryonic stem cell debate?

CNN: Future Summit stem cell forum

But Josephine Quintavalle, director of Comment on Reproductive Ethics (Core), which opposes embryonic stem cell therapies, dismissed the research as "highly speculative".

BBC: Green light for US stem cell work

The new manufacturing plant will be complementary to Angel's existing core business in advanced biologics, which includes biopharmaceutical proteins and cell therapies, such as stem cells.

BBC: Edinburgh firm Angel Biotechnology buys collagen plant