[lemma=cell] ([lemma=□] | □) □ □
[lemma=cell] ([lemma=type] | □) □ □
[lemma=cell] ([lemma=find] | □) □ □
Embryonic stem cells ( ES cells ) may hold the most promise for treating diseases , because they are pluripotent : they can grow and divide , or differentiate , into any cell type found in the fetus and adult .