1) Regeneration 
Morphallaxis is the regeneration of specific tissue in a variety of organisms due to loss or death of the existing tissue. The word comes from the Greek allakt, which means to exchange. The classical example of morphallaxis is that of the Cnidarian hydra, where when the animal is severed in two (by actively cutting it with, for example, a surgical...
regeneration in a changed form
a process of tissue reorganization observed in many lower animals following severe injury, such as bisection of the animal, and involving the ... [1 related articles]
Regenerative process in which part of an organism is transformed directly into a new organism without replication at the cut surface. ... (18 Nov 1997) ... 
Regenerative process in which part of an organism is transformed directly into a new organism without replication at the cut surface.
[n] - regeneration on a reduced scale of a body part
morphallaxis Transformation of one part into another in the regeneration of parts; a gradual growth or development into a particular form.
noun regeneration on a reduced scale of a body part; observed especially in invertebrates such as certain lobsters
the regeneration of a destroyed body part by the reorganization of its remaining cells.
regeneration on a reduced scale of a body part[Difficult words] regeneration on a reduced scale of a body part