A stem cell line is a family of constantly dividing cells, the product of a single group of stem cells. They are obtained from human or animal tissues and can replicate for long periods of time in vitro ("within glass"; or, commonly, "in the lab", in an artificial environment). They are frequently used for research relating to embryonic stem cells or cloning entire organisms.
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Famous quotes containing the words stem, cell and/or line:
“Bite down
on the bitter stem of your nectared
rose, you know
the dreamy stench of death and fling
magenta shawls delicately
about your brown shoulders laughing.”
—Denise Levertov (b. 1923)
“Women have no wilderness in them,
They are provident instead,
Content in the tight hot cell of their hearts
To eat dusty bread.”
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