morphallaxis

noun, plural mor·phal·lax·es [mawr-fuh–lak-seez] /ˌmɔr fəˈlæk siz/.

1. Biology. the regeneration of a destroyed body part by the reorganization of its remaining cells.

noun plural -laxes (-ˈlæksiːz)

1. zoology the transformation of one part into another that sometimes occurs during regeneration of organs in certain animals