Examples from the Web for regrowth
The regrowth had slowly extended from the margin of the forest to the centre of the burn until it was restocked.The Spell of the Rockies|Enos A. Mills
The regrowth of an amputated limb or the healing of a wound is the same process partially carried out.
From this he concludes that it is necessary for regrowth that a small portion of the limb should be left.