Wiktionary
epithelial dysplasia
n. the sum of various disturbances of epithelial proliferation and differentiation as seen microscopically
Wikipedia
Epithelial dysplasia
Epithelial dysplasia, a term becoming increasingly referred to as intraepithelial neoplasia, is the sum of various disturbances of epithelial proliferation and differentiation as seen microscopically. Individual cellular features of dysplasia are called epithelial atypia.