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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The team studied melanocyte stem cells, the cells that give hair and skin their color, using mouse models and tissue samples.
—
Khloe Quill, FOXNews.com, 22 Oct. 2025
In their study, University of Tokyo professors Emi Nishimura and Yasuaki Mohri have shed light on what happens when these pigment-producing stem cells are damaged.
—Lucy Notarantonio, MSNBC Newsweek, 21 Oct. 2025
The race to make possible things like deep space travel, AI, stem cell and other advancements gives hope that even in a few decades, a thawing could be possible.
—Mike Fleming Jr, Deadline, 20 Oct. 2025
These brain organoids are created from human skin cells, reprogrammed into stem cells, and then developed into neurons.
—Kaif Shaikh, Interesting Engineering, 20 Oct. 2025
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Khloe Quill, FOXNews.com, 22 Oct. 2025
In their study, University of Tokyo professors Emi Nishimura and Yasuaki Mohri have shed light on what happens when these pigment-producing stem cells are damaged.
—Lucy Notarantonio, MSNBC Newsweek, 21 Oct. 2025
The race to make possible things like deep space travel, AI, stem cell and other advancements gives hope that even in a few decades, a thawing could be possible.
—Mike Fleming Jr, Deadline, 20 Oct. 2025
These brain organoids are created from human skin cells, reprogrammed into stem cells, and then developed into neurons.
—Kaif Shaikh, Interesting Engineering, 20 Oct. 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 31 Oct. 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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