stem cell

noun

: 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

Pluripotent stem cells have the potential to become any type of cell in the body. —Aitor Aguirre, The Conversation, 10 May 2024

Embryos currently can be donated to other couples or to stem cell research, or they can be destroyed with the permission of the parents. —Reader Commentary, Baltimore Sun, 24 Feb. 2024

Word History

First Known Use

1896, in the meaning defined above

Kids Definition

stem cell

noun

: a simple cell that can become a cell (as a blood cell or skin cell) with a special function

Medical Definition

stem cell

noun

ˈstem- 

: 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

… 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

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