intraepithelial

Example:Dysplastic intraepithelial neoplasia (DIN) is a term used to describe the presence of potentially precancerous changes in epithelial cells.

Definition:A precancerous condition characterized by the abnormal growth of cells within the epithelial layer of the skin, mucous membranes, or other tissues.

Example:Intraepithelial lymphocytes are commonly found in the gastrointestinal tract, where they help to defend against pathogens.

Definition:A type of lymphocyte (a white blood cell) found within the epithelial layer of mucous membranes, particularly in the gut and lower respiratory tract. These lymphocytes play a role in local immune responses.