ˌ ̷ ̷ ̷ ̷ ̷ ̷ˈmȯrfəsə̇s noun
Etymology: New Latin, from heter- + -morphosis
1. : the production in an organism of an abnormal or misplaced part especially in place of one that has been lost (as the regeneration of a tail in place of a head) — compare homomorphosis
2.
a. : the production of a malformed or malplaced tissue or organ
b. : the formation of tissue of a different type from that from which it derives