stem cell

noun

Definition of stem cell

: 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 About nine years ago, Henrich needed to seek cancer care in Houston for a stem cell transplant. Laura Garcia, San Antonio Express-News, "Express-News Exclusive: First look at UT Health San Antonio's $430M hospital," 29 Mar. 2021 The second group publishing in Nature, led by stem cell biologist Jose Polo of Monash University in Australia, chanced on a different recipe for making human blastoids while studying how skin cells morph into iPS cells. Mitch Leslie, Science | AAAS, "Researchers re-create key human embryo stage in lab," 17 Mar. 2021 Custer says Ending Disease can draw more awareness toward stem cell research and provide a hopeful message. Charlie Goldsmith, The Enquirer, "Catching up with inspiring Elder High school graduate Ryan Custer," 3 Dec. 2020 Within weeks after the stem cell therapy, the doctors observed substantial improvements in more than half of the patients, including the ability to walk or use their hands. Chris Smith, BGR, "Doctors might have figured out how to cure spinal cord injuries," 24 Feb. 2021 When serotonin binds to the histone, the DNA unwinds, turning on the genes that dictate the development of a stem cell into a serotonin neuron, while turning off other genes by keeping their DNA tightly wound. Quanta Magazine, "The Epigenetic Secrets Behind Dopamine, Drug Addiction and Depression," 27 Oct. 2020 The trial is funded by the California Institute for Regenerative Medicine, the stem cell agency created by voters in 2004 and infused with $5.5 billion in new research money by voters who narrowly approved Proposition 14 this fall. Sandy Banks Columnist, Los Angeles Times, "Column: For a man long afflicted with an illness made riskier by COVID-19, hope for the holidays," 29 Nov. 2020 Or Nancy Reagan, who became an advocate for stem cell research only after her husband developed Alzheimer’s in 1999. Danielle Campoamor, refinery29.com, "Like Other Republicans, Meghan McCain Only Cares About Fixing A Problem Once She’s Experienced It," 4 Jan. 2021 In 2004, Californians bet $3 billion on stem cell research in a first-of-its-kind bond measure. San Francisco Chronicle, "The best of Chronicle storytelling," 1 Jan. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'stem cell.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of stem cell

1896, in the meaning defined above

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Time Traveler for stem cell

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The first known use of stem cell was in 1896

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Last Updated

8 Apr 2021

Cite this Entry

“Stem cell.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stem%20cell. Accessed 15 Apr. 2021.

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More Definitions for stem cell

stem cell

noun

English Language Learners Definition of stem cell

technical : a simple cell in the body that is able to develop into any one of various kinds of cells (such as blood cells, skin cells, etc.)

stem cell

noun
\ ˈstem- How to pronounce stem cell (audio) \

Medical Definition of stem cell

: 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, 2011 … 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, September 1987 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, 2006

More from Merriam-Webster on stem cell

Britannica.com: Encyclopedia article about stem cell

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