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In 1951, cervical cancer patient Henrietta Lacks became—likely unknowingly—the donor of cancerous tumor cells that were cultured to create an “immortal” cell line for medical research. Named for their donor, HeLa cells can divide an unlimited number of times in a laboratory cell culture plate as long as fundamental conditions are met. The cell line has since been used in thousands of experiments, contributing to a number of scientific breakthroughs, including what? Discuss
Source: The Free Dictionary