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date: 17 October 2021

p. 10610. Regenerationlocked

p. 10610. Regenerationlocked

  • Lewis Wolpert


Regeneration is the ability of the fully developed organism to replace tissues, organs, and appendages. ‘Regeneration’ distinguishes between two types of regeneration: epimorphosis where regeneration involves growth of a new, correctly patterned structure as a limb, and morphallaxis, where there is little new cell division and growth, and regeneration of structure occurs mainly by the repatterning of existing tissue. Examples of regeneration discussed include salamanders that can regenerate new tails and limbs, some insects that regenerate new appendages, mammalian bone regeneration after fracture, and the simple aquatic organism Hydra which has major regeneration abilities.

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