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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Meanwhile, Dubai’s Royal Atlantic hotel features an in-house clinic, Aeon, offering advanced treatments ranging from exosome and stem cell therapy to ozone therapy. Amy Francombe, Vogue, 19 Dec. 2025 Currently the platform can do this for 10 different cell types—including stem cells, T-cells, cardiac cells, and blood cells—and the company is planning on training its models to work with more in the future. Jeremy Kahn, Fortune, 18 Dec. 2025 The company, which has moved fast since its founding in 2021, says Haven-1 is well kitted out to host experiments in a diverse range of areas, including on-orbit pharmaceutical development, stem cell research, plant growth and human research and tech demos. Andrew Jones, Space.com, 17 Dec. 2025 Diabetes reduces levels of stem cells that help to fix this damage. Jyoti Madhusoodanan, Scientific American, 16 Dec. 2025 See All Example Sentences for stem cell

Word History

First Known Use

1896, in the meaning defined above

Time Traveler
The first known use of stem cell was in 1896

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Cite this Entry

“Stem cell.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stem%20cell. Accessed 21 Dec. 2025.

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

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