Micrograph of Barrett's esophagus (left of image) and normal stratified squamous epithelium (right of image). Alcian blue stain.<unk>  is a type of metaplasia where irritated tissue converts to a<unk>  form. An example occurs in the esophagus, where tissue becomes more similar to the tissue of the stomach. Another example occurs in the urinary bladder.
Glandular metaplasia
Keratinizing metaplasia
Squamous metaplasia
Intestinal metaplasia
Epithelial dysplasia
Intraepithelial neoplasia
Hyperkeratinization
Degranulation