You won't know whether foods in your grocery store are genetically modified organisms, or GMO. The U.S. Food and Drug Administration does not require foods to be labeled as GMO. Corn and soybeans are major GMO crops, and the GMO varieties are...
The lungs contain a series of airways, called bronchi and bronchioles, which carry air from the mouth down into the lungs. The bronchi and bronchioles contain a number of specialized cell types, including airway-lining cells called epithelial...
An adenocarcinoma is a cancer originating in glandular tissue. The cancer develops from epithelial cells that surround and line tissues of the body, as well as secretory gland cells. Patients can develop adenocarcinomas in a number of tissues...
Vitamin A plays an essential role in the maintenance of epithelial cells. Epithelial cells carry out a number of critical functions in the body, and a lack of vitamin A can cause a variety of conditions affecting the skin, eye, lungs, urinary...
The esophagus transports swallowed food and liquids to the stomach. Normally, it is lined with skin-like cells called squamous epithelial cells. With Barrett's esophagus, the normal cells at the lower end of the esophagus near the stomach are...
Fuchs' dystrophy, Fuchs' heterochromic uveitis and Fuchs' spots are three different types of eye diseases all named for the same man, Ernst Fuchs. He was a Viennese professor in the early 1900s who described and named the three ocular diseases now...
Pap smears are a common screening test that can be used to detect changes in the cervix that may lead to cervical cancer. One of the main causes of cervical cancer is an infection with the human papillomavirus, also known as HPV. As a result, many...
Liver cysts are fluid-filled sacs that do not require treatment unless symptoms develop, such as abdominal bloating or pain. Even though liver cysts are benign and do not cause liver failure, they can signal the presence of an underlying disorder,...