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
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On the right ‘Tract’ The company is focused on stem cell cloning technology, which allows researchers to isolate single cells from samples like tumor biopsies in cases that have failed first- or second-line chemotherapy.
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Charlotte Observer, 4 Dec. 2025
These cells, much like stem cells, can form new healthy tissue but in a more targeted way.
—New Atlas, 4 Dec. 2025
To build the therapy, researchers took human stem cells and turned them into a special type of immune cell called an invariant natural killer T cell (NKT cell).
—Khloe Quill, FOXNews.com, 1 Dec. 2025
Across dentistry, aesthetic medicine and wellness, stem cells and exosomes will be crucial looking ahead, experts agreed.
—Hyku Desesto, Vogue, 27 Nov. 2025
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Charlotte Observer, 4 Dec. 2025
These cells, much like stem cells, can form new healthy tissue but in a more targeted way.
—New Atlas, 4 Dec. 2025
To build the therapy, researchers took human stem cells and turned them into a special type of immune cell called an invariant natural killer T cell (NKT cell).
—Khloe Quill, FOXNews.com, 1 Dec. 2025
Across dentistry, aesthetic medicine and wellness, stem cells and exosomes will be crucial looking ahead, experts agreed.
—Hyku Desesto, Vogue, 27 Nov. 2025
See All Example Sentences for stem cell
Cite this Entry
“Stem cell.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stem%20cell. Accessed 8 Dec. 2025.
Copy CitationMedical 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
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
Gina Kolata, DiscoverRecent 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
Darwin J. Prockop, in Essentials of Stem Cell BiologyLove words? Need even more definitions?
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