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stem cell
noun
: an unspecialized cell that gives rise to differentiated cells
hematopoietic stem cells in bone marrow
Examples of stem cell in a Sentence
Recent Examples on the Web
Katharina Harf then introduced 11-year-old Brooklynn St. John to her donor for a stem cell transplant, firefighter Justin Bradshaw, onstage.
—James Manso, WWD, 18 Oct. 2024
But for now, the results suggest the trial is paving the way for stem cell therapy in the treatment of diabetes.
—Margherita Bassi, Smithsonian Magazine, 10 Oct. 2024
Seven people around the world have now been cured of HIV through stem cell transplants.
—Maya Goldman, Axios, 8 Oct. 2024
That patient, along with the others cured, had received stem cell transplants to treat another life-threatening disease, blood cancer.
—Dana Taylor, USA TODAY, 26 Sep. 2024
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Word History
First Known Use
1896, in the meaning defined above
Dictionary Entries Near stem cell
Cite this Entry
“Stem cell.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stem%20cell. Accessed 9 Nov. 2024.
Kids Definition
stem cell
noun
: a simple cell that can become a cell (as a blood cell or skin cell) with a special function
Medical Definition
stem cell
noun
: an unspecialized cell capable of perpetuating itself through cell division and having the potential to give rise to differentiated cells with specialized functions
Embryonic stem cells are pluripotent cells derived from the inner cell mass of the blastocyst stage of the embryo.—Carrie J. Merkle, in Essentials of Pathophysiology
… picture the bone marrow as a blood cell factory that takes a single type of precursor cell, or stem cell, and modifies it in various ways to produce all the cells that circulate in the blood.—Gina Kolata, Discover
Recent observations are providing increasing evidence for the concept that adult stem cells are part of a natural system for tissue repair.—Darwin J. Prockop, in Essentials of Stem Cell Biology
More from Merriam-Webster on stem cell
Britannica.com: Encyclopedia article about stem cell
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