stem cell


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

The researchers found that the stem cells could sensitively turn on SEAP with a little caffeine buzz. Beth Mole, Ars Technica, "Scientists use caffeine to control genes—and treat diabetic mice with coffee," 20 June 2018 The result, when those stem cells did eventually turn into neurons, was more neurons than normal, and thus a bigger organoid. The Economist, "A history of big-headedness," 31 May 2018 The new technique, described today in the journal Experimental Eye Research, doesn’t completely eliminate a need for cornea donations — those are key for making the stem cell part of the recipe. Rachel Becker, The Verge, "Scientists have 3D printed the most advanced artificial cornea ever using human cells," 30 May 2018 The researchers were able to have the robots, capable of handling liquids, put the stem cells into plates that contained as many as 384 miniature walls each. Chris Ciaccia, Fox News, "Robots are able to grow human organs for the first time thanks to UW researchers," 22 May 2018 When the stem cells go haywire, the result is leukemia. Richard G. "bugs" Stevens, Washington Post, "Bright lights near bedtime can cause sleep problems in children," 19 May 2018 The foreskin is collected during circumcision, at which point the stem cells are extracted through a centrifuge. Maria Del Russo, Glamour, "I Got a $650 'Penis Facial,' and My Skin Has Never Looked Better," 4 May 2018 Brain scientists are transplanting these organoids, or the human stem cells from which they are grown, into other animals. Melissa Healy,, "Brainstorming the ethics of neuroscience research in the age of organoids," 27 Apr. 2018 Birchall's statements on what the stem cells actually do contradict each other, Murray and Lévy add. Matt Warren, Science | AAAS, "Two controversial stem cell trials could harm patients, critics say," 29 Mar. 2018

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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Last Updated

17 Sep 2018

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The first known use of stem cell was in 1896

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More Definitions for stem cell

stem cell


English Language Learners Definition of stem cell

: 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

\ ˈstem- \

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

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alleviating pain or harshness

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