21.   Ordinary skin cells do not grow enough to make new skin for burn patients.

22.   So the human cells grow and replace the fiber.

23.   So what if those cells were growing, where was the harm in that, he asked.

24.   Specialized cells grow into perfectly designed organs, which join up with other organs.

25.   Substances that make brain cells grow might lead to treatments for baldness, say dermatologists in Germany.

26.   Tests show no sign that the clumpy, misshapen sickled cells are growing back in his blood.

27.   That is because the cells are growing equally on all sides of the plant.

28.   The cells grew and developed into an organ that resembled a miniature kidney, Lanza said.

29.   The cells grow and divide prolifically in culture, one of the features of stem cells.

30.   The scientists hope to validate that cells grow remarkably well in microgravity.