| pustule | <medicine> A vesicle or an elevation of the cuticle with an inflamed base, containing pus. Malignant pustule. See Malignant. Origin: L. Pustula, and pusula: cf. F. Pustule. Source: Websters Dictionary (01 Mar 1998) |
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| malignant pustule | The skin of B. Anthracis infection characteristic lesion that begins as a papule and soon becomes a vesicle and breaks, discharging a bloody serum; the seat of this vesicle, in about 36 hours, becomes a bluish black necrotic mass; constitutional symptoms of septicaemia are severe: high fever, vomiting, profuse sweating, and extreme prostration; the infection is often fatal. Synonym: malignant pustule. (05 Mar 2000) |
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| postmortem pustule | An obsolete term for an ulcer, usually on the knuckle, resulting from infection during a dissection or the performance of an autopsy. Spongiform pustule of Kogoj, an epidermal pustule formed by infiltration of neutrophils into necrotic epidermis in which the cell walls persist as a spongelike network; seen in pustular psoriasis. (05 Mar 2000) |