Regenerate var addthis_config = {"data_track_addressbar":true};

Regenerate, or Regeneration ², is a Tyranid biomorph. Some Tyranid creatures, most commonly Carnifexes, have shown the ability to repair the most destructive battle damage, including delicate tissues and bodily organs at an astonishing rate. Often scars are left, most notably in the head and neck which would be fatal to most other species.¹

Sources

• ¹:Codex: Tyranids (4th Edition), p.33
• ²: Codex: Tyranids (5th Edition), p.84