stem cell

noun
Updated on: 15 Nov 2017

Definition of stem cell

: an unspecialized cell that gives rise to differentiated cells
  • hematopoietic stem cells in bone marrow

Recent Examples of stem cell from the Web

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.

First Known Use of stem cell

1896


STEM CELL Defined for English Language Learners

stem cell

noun

Definition of stem cell for English Language Learners

  • : 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.)


Medical Dictionary

stem cell

noun \ 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 Pathophysiology2011
  • … 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 KolataDiscoverSeptember 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 Biology2006

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