This indicated that cells of vertebrates could continue to divide indefinitely in a culture.
As with other immortalized cell lines, H1299 cells can divide indefinitely.
For cells, the ability to divide indefinitely into two identical daughter cells is immortality.
Two categories of body cell, however, are immortal in the cell's sense of being able to divide indefinitely.
This sounds much easier than it is: normal adult cells cannot grow and divide indefinitely in a test tube.
Because cancer cells keep dividing indefinitely, the antibody can then be produced in vast quantities.
Biologists recently found that human cells kept in culture would grow and divide indefinitely if their telomeres were artificially lengthened.
Its nerve fibers divide indefinitely, like the branches of a tree.
Because they can divide indefinitely when grown outside the body without signs of age that afflict other cells, biologists refer to them as immortal.
Telomerase, however, is found in cancer cells, allowing them to divide and multiply indefinitely.