damaged muscle cell

posted on November 1, 2005 - 9:53am
QUEST Vol. 12, No. 6
Long before "stem cell" became a household term, people had observed that plants and animals can, within limits, repair damage they sustain. Wounds heal, broken bones knit, and lost blood is replenished. Mowed grass soon regrows, and barren trees sprout new leaves in spring. Cut off a limb of a salamander or some other amphibians, and it regrows. But the limbs of other animals, once gone, can’t...