Members of the DEWS Definition and Classification. Subcommittee developed a contemporary definition of dry eye disease and a three-. part classification system based on etiology, causative mechanisms and disease. severity.
Metaplasia. Definition: Metaplasia is the reversible replacement of one differentiated cell type with another differentiated cell type. Metaplasia causes precursor cells to change their cell fate, and do not change existing differentiated cells.he most common epithelial metaplasia is columnar to squamous (squamous metaplasia), as occurs in the respiratory tract in response to chronic irritation.
A. Squamous metaplasia is a medical term used to describe the changes occurring to the cells in certain tissues of the body.emaleHealthIssues - 20-Feb-15 @ 10:38 AM. i undergo DMC last february 03, 2015and the result of my biopsy is i have a chronic endocervicitis with squamous metaplasia and i want to know what is this and and my doctor said that this will happen again in the near future.