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3 definitions found
 for Malignant pustule
From The Collaborative International Dictionary of English v.0.48 :

  malignant \ma*lig"nant\, a. [L. malignans, -antis, p. pr. of
     malignare, malignari, to do or make maliciously. See
     Malign, and cf. Benignant.]
     1. Disposed to do harm, inflict suffering, or cause distress;
        actuated by extreme malevolence or enmity; virulently
        inimical; bent on evil; malicious.
        [1913 Webster]
  
              A malignant and a turbaned Turk.      --Shak.
        [1913 Webster]
  
     2. Characterized or caused by evil intentions; pernicious.
        "Malignant care." --Macaulay.
        [1913 Webster]
  
              Some malignant power upon my life.    --Shak.
        [1913 Webster]
  
              Something deleterious and malignant as his touch.
                                                    --Hawthorne.
        [1913 Webster]
  
     3. (Med.) Tending to produce death; threatening a fatal
        issue; virulent; as, malignant diphtheria.
        [1913 Webster]
  
     Malignant pustule (Med.), a very contagious disease
        produced by infection of subcutaneous tissues with the
        bacterium Bacillus anthracis. It is transmitted to man
        from animals and is characterized by the formation, at the
        point of reception of the infection, of a vesicle or
        pustule which first enlarges and then breaks down into an
        unhealthy ulcer. It is marked by profound exhaustion and
        often fatal. The disease in animals is called charbon;
        in man it is called cutaneous anthrax, and formerly was
        sometimes called simply anthrax.
        [1913 Webster +PJC]

From The Collaborative International Dictionary of English v.0.48 :

  Pustule \Pus"tule\ (?; 135), n. [L. pustula, and pusula: cf. F.
     pustule.] (Med.)
     A vesicle or an elevation of the cuticle with an inflamed
     base, containing pus.
     [1913 Webster]
  
     Malignant pustule. See under Malignant.
        [1913 Webster]

From WordNet (r) 3.0 (2006) :

  malignant pustule
      n 1: a form of anthrax infection that begins as papule that
           becomes a vesicle and breaks with a discharge of toxins;
           symptoms of septicemia are severe with vomiting and high
           fever and profuse sweating; the infection is often fatal
           [syn: cutaneous anthrax, malignant pustule]

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