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diphtheria (dif-ther´e-a)

A specific infectious disease due to Corynebacterium diphtheriae and its highly potent toxin; marked by severe inflammation that can form a membranous coating, with formation of a thick fibrinous exudate of the mucous membrane of the pharynx, the nose, and sometimes the tracheobronchial tree; the toxin produces degeneration in peripheral nerves, heart muscle, and other tissues. Had a high fatality rate, especially in children; now rare due to an effective vaccine.diphtheritis; [G. diphthera, leather]
avian d. an infection by the fowlpox virus in which tracheal involvement is especially severe. See also fowlpox.fowl d;
calf d. a necrotic oropharyngolaryngitis of calves associated with Fusobacterium necrophorum infection that may spread to the lungs.
cutaneous d. an ulcer resulting from infection of the skin by Corynebacterium diphtheriae; systemic manifestations are the same as those of pharyngeal d.
false d. diphtheroid (1)
faucial d. severe pharyngitis affecting the fauces, the usual site affected by infection with Corynebacterium diphtheriae.
fowl d. avian d
laryngeal d. d. affecting the larynx, usually with asphyxiation due to obstruction of the airway by the membrane that forms, with fatal outcome.laryngotracheal d;
laryngotracheal d. laryngeal d


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