ERYTHEMA

is redne of the skin and in this sense is applied to a number of general conditions which bring about redne of the skin, e.g. absce , cedema, scarlet fever, . Of late, in medicine, its use has been more restricted, and refers only to an inflammation of part of the skin. This disease is characterized by redne and tenderne , and may become sufficiently severe to lead to the production of bulla in the centre of the affected part. Dermatologists recognize various types of erythema, such as erythema multi for me, and nodosum. ERYTHRA&’AN SEA, in ancient geography, a name given to what is now called the Indian Ocean, but including the Persian and Arabian Gulfs. The name was eventually restricted to the Arabian Gulf. ERYTHRI’NA. See CoRAL TREE.