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

Nationals ace Max Scherzer received a stem cell shot to treat his strained back and hopes to make his next scheduled start Tuesday against Atlanta., "FIFA shoots for more Women’s World Cup teams," 27 July 2019 Along the way, scientists have developed the ability to convert stem cells into small, rudimentary, 3-dimensional models of human tissue. San Diego Union-Tribune, "UCSD to send ‘mini-brains’ to International Space Station for neural disease research," 7 July 2019 But tests have found some of her mother’s stem cells in her blood. New York Times, "Five Blood Transfusions, One Bone Marrow Transplant — All Before Birth," 25 May 2018 The mini-brains are made from human stem cells derived from adults. San Diego Union-Tribune, "UCSD to send ‘mini-brains’ to International Space Station for neural disease research," 7 July 2019 Deepak Srivastava has first-hand experience with the power of stem cells. Emily Baumgaertner,, "When it comes to disease, stem cells are a game-changer, scientists say. This is why," 27 June 2019 Producing new eggs and sperm from stem cells would add genetic diversity to the lab-grown northern white rhino population, potentially making recovery more likely. Rebecca Boyle, Discover Magazine, "The Quixotic Quest to Birth a Baby Northern White Rhino," 25 June 2019 McMahon is studying ways to grow kidneys from human stem cells. Scientific American, "Trump Administration Halts Fetal-Tissue Research by Government Scientists," 6 June 2019 This was done using just two types of mouse stem cells, and the resulting mass of cells resembled what you’d expect from the more traditional baby-forming process. Sy Mukherjee, Fortune, "Scientists Have Created Synthetic Embryos. Here's What That Could Mean for Humans," 3 May 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

6 Aug 2019

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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

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

\ 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

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a period when something is suspended

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