Definition of stem cell noun from the Oxford Advanced Learner's Dictionary

 

stem cell

 noun
noun
BrE
 
; NAmE
 
Cell biology
 
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a basic type of cell which can divide and develop into cells with particular functions. All the different kinds of cells in the human body develop from stem cells. Stem cells are the key to the body’s ability to renew itself. Tests suggest that stem cells could be used to regenerate damaged body parts. Stem cell research is the essential first step for cloning. See related entries: Cell biology
See the Oxford Advanced American Dictionary entry: stem cell