Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

stem cell

noun

Simple 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.)

Source: Merriam-Webster's Learner's Dictionary

Full Definition of stem cell

  1. :  an unspecialized cell that gives rise to differentiated cells <hematopoietic stem cells in bone marrow>


Medical Dictionary

stem cell

play
noun \ˈstem-\

Medical Definition of stem cell

  1. :  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>




Learn More about stem cell


Seen and Heard

What made you want to look up stem cell? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

marked by propriety and good taste

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image567572573

Which of these is a synonym of unctuous?

maudlin prompt angry oily
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ