The following updated definition was produced: Dry eye is a multifactorial disease of the tears and ocular surface that results in. symptoms of discomfort, visual disturbance, and tear film instability with potential. damage to the ocular surface. It is accompanied by increased osmolarity of the tear. film and inflammation of the ocular surface.
A simple columnar epithelium is a columnar epithelium that is uni-layered. In humans, a simple columnar epithelium lines most organs of the digestive tract including the stomach, small intestine, and large intestine.Simple ciliated columnar epithelia line the uterus.iliated columnar epithelium moves mucus and other substances via cilia and is found in the upper respiratory tract, the Fallopian tubes, the uterus, and the central part of the spinal cord .They are the primary target of infection for common cold viruses such as coronaviruses, influenza virus and rhinoviruses.
Making the world better, one answer at a time. The type of epithelial cells lining the small and large intestines are simple columnar. However, at the inferior part of the rectum, it changes to stratified squamous epithelium.he intestinal epithelium, which covers the small and large  intestine, is simple columnar and nonciliated. It lines most of the  organs of the digestive tract.