epimorphosis

noun
epi·​mor·​pho·​sis | \ ˌep-ə-ˈmȯr-fə-səs How to pronounce epimorphosis (audio) \
plural epimorphoses\ -​ˌsēz How to pronounce epimorphoses (audio) \

Medical Definition of epimorphosis

: regeneration of a part or organism involving extensive cell proliferation followed by differentiation — compare morphallaxis