metaplasia

As a noun metaplasia

is (biology) the conversion of one type of tissue into another.

As an adjective metastatic is

(medicine) relating to metastasis.

As a noun metaplasia

is (biology) the conversion of one type of tissue into another.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between metaplasia and hypoplasia

is that metaplasia is (biology) the conversion of one type of tissue into another while hypoplasia is underdevelopment or incomplete development of a tissue or organ, especially when caused by an inadequate or below-normal number of cells.

As nouns the difference between metaplasia and cancer

is that metaplasia is (biology) the conversion of one type of tissue into another while cancer is cancer.

As nouns the difference between metaplasia and metastasis

is that metaplasia is the conversion of one type of tissue into another while metastasis is the transference of a bodily function or disease to another part of the body, specifically the development of a secondary area of disease remote from the original site, as with some cancers.

As nouns the difference between metaplasia and heteroplasia

is that metaplasia is (biology) the conversion of one type of tissue into another while heteroplasia is the presence of a tissue or organ in an abnormal place.

As nouns the difference between metaplasia and atrophy

is that metaplasia is (biology) the conversion of one type of tissue into another while atrophy is (pathology) a reduction in the functionality of an organ caused by disease, injury or lack of use.

As a verb atrophy is

to wither or waste away.

In biology terms the difference between metaplasia and neoplasia

is that metaplasia is the conversion of one type of tissue into another while neoplasia is the formation of new tissue.