Stomatitis washes away antigens and acts as a barrier. The oral mucosa is also more vascular (has a better blood supply) than skin, meaning that any antigens are more quickly removed from the area by the circulation. Finally, there is substantially less keratin in oral mucosa, meaning that there is less likelihood that haptens will form. Allergic contact stomatitis appears as non-specific inflammation, so it may be mistaken for chronic physical irritation. There may be burning or soreness of the mouth and ulceration. Chronic exposure to the allergen may result in a lichenoid lesion. Plasma cell gingivitis may also occur, which
Medicine in ancient Rome the initial object that allowed the stabilization of these humours. By contrast, drugs, venesection, cautery and surgery were drastic and were to be used only when diet could no longer help. The survival and amendment of Hippocratic medicine is attributed to Galen. He writes that a physician "must be skilled at reasoning about the problems presented to him, must understand the nature and function of the body within the physician world and must "practice temperance and despise all money". The ideal physician treats both the poor and elite fairly and is a student of all that affects health. Galen references