Metaplasia vs. Dysplasia

Metaplasianoun

(biology) The conversion of one type of tissue into another.

Metaplasia

Metaplasia (Greek: ) is the transformation of one differentiated cell type to another differentiated cell type. The change from one type of cell to another may be part of a normal maturation process, or caused by some sort of abnormal stimulus.

Dysplasianoun

(pathology) Abnormal development of cells or tissue, often a precancerous stage of growth.

Dysplasianoun

abnormal development (of organs or cells) or an abnormal structure resulting from such growth

Dysplasia

Dysplasia is any of various types of abnormal growth or development of cells (microscopic scale) and/or organs (macroscopic scale), and/or the abnormal histology or anatomical structure presumably resulting from such growth. Dysplasias on a mainly microscopic scale include epithelial dysplasia and fibrous dysplasia of bone.