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 formula is particularly great for women over 50, as it’s packed with ultrahydrating and nourishing ingredients like hyaluronic acid and raspberry stem cells that help with moisture and skin barrier health.
—
Micaela English, Glamour, 9 Mar. 2026
Researchers can now coax stem cells to behave like pancreatic islets, the tiny clusters of cells that regulate blood sugar.
—IEEE Spectrum, 4 Mar. 2026
Dell Children's Medical Center recently did its first stem cell transplant last year and will work toward a CAR T-cell program.
—Nicole Villalpando, Austin American Statesman, 4 Mar. 2026
Seven people have been declared HIV-free after receiving a stem cell transplant – and, significantly, two of them had received stem cells that were not actually HIV-resistant.
—Harriet Marsden, TheWeek, 3 Mar. 2026
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Micaela English, Glamour, 9 Mar. 2026
Researchers can now coax stem cells to behave like pancreatic islets, the tiny clusters of cells that regulate blood sugar.
—IEEE Spectrum, 4 Mar. 2026
Dell Children's Medical Center recently did its first stem cell transplant last year and will work toward a CAR T-cell program.
—Nicole Villalpando, Austin American Statesman, 4 Mar. 2026
Seven people have been declared HIV-free after receiving a stem cell transplant – and, significantly, two of them had received stem cells that were not actually HIV-resistant.
—Harriet Marsden, TheWeek, 3 Mar. 2026
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 13 Mar. 2026.
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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