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An affection of mucous membrane of the mouth in which small white ulcers appear.

Aphthae consist of roundish, pearl-coloured vesicles, confined to the lips, mouth, and intestinal canal, and generally terminating in curd-like sloughs. In France, the Aphthae of children, Aphthes des Enfans, is called Muguet, Millet, Blanchet, Catarrhe buccal and Stomatite cremeuse pultacee, Pultaceous inflammation of the Mouth; and generally receives two divisions-the mild or discreet, (F.) Muguet benin ou discret, and the malignant, (F.) Muguet malin ou confluent, the Black Thrush. Common Thrush is a disease of no consequence, requiring merely the use of absorbent laxatives. The malignant variety, which is rare, is of a more serious character, and is accompanied with typhoid symptoms,- Typhus aphthoideus.

Thrush, or the whitish spots that characterize it.

The whitish spots in the mouth that are characteristic of thrush. See thrush. [Lat., Gr.]