Before revision: Mainly microscopic scale Epithelial dysplasia Epithelial dysplasia consists of an expansion of immature cells (such as cells of the ectoderm), with a corresponding decrease in the number and location of mature cells.
After revision: Microscopic scale Epithelial dysplasia Epithelial dysplasia consists of an expansion of immature cells (such as cells of the ectoderm), with a corresponding decrease in the number and location of mature cells.