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

Using human blood cells, a team including Mitinori Saitou and Chika Yamashiro created stem cells. David Grossman, Popular Mechanics, "Scientists Take Major Step Towards Making Babies From Skin Cells," 21 Sep. 2018 Two research groups in the past two months have reported enticing results from approaches using embryonic stem cells, finding that their therapies appear to be safe and even produced some vision gains. Andrew Joseph, STAT, "Early trials of stem-cell therapies hint at potential to restore some vision," 25 Apr. 2018 But using the patient’s own stem cells was also risky because they might be contaminated with myeloma cells. Marie Mccullough,, "Her identical twin saved her life 25 years ago. Now they're cancer activists," 17 Apr. 2018 Name: Kate Brown Occupation: Scientific director, research and development, at a newborn stem cell bank. Sam Whiting,, "On the road with Dykes on Bikes in a pre-Pride run," 14 June 2018 There are no real treatments for MLD beyond stem cell treatments. Sumathi Reddy, WSJ, "The ‘Right to Try’ Law Says Yes, the Drug Company Says No," 6 June 2018 The family found an experimental stem cell treatment and set up a GoFundMe campaign. Lomi Kriel, Houston Chronicle, "Santa Fe teacher Cynthia Tisdale remembered as a lifelong caretaker," 25 May 2018 His family set up a GoFundMe page in late March to raise the money for a stem cell treatment. Doug Criss, CNN, "The Santa Fe shooting victim worked two jobs to take care of her ill husband. Her death may end up saving his life," 21 May 2018 In 2007, Thomson and Japanese scientist Shinya Yamanaka prove that in the laboratory human skin cells can be reprogrammed back to the equivalent of embryonic stem cells without requiring the destruction of a human embryo. Mark Johnson, Milwaukee Journal Sentinel, "UW scientific advances include vitamins, growing human embryonic stem cells in lab," 12 July 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

12 Nov 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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