Medical Dictionary

Ducrey's bacillus

noun Du·crey's bacillus \dü-ˈkrāz-\

Medical Definition of DUCREY'S BACILLUS

:  a gram-negative bacillus of the genus Haemophilus (H. ducreyi) that is the causative agent of chancroid

Biographical Note for DUCREY'S BACILLUS

Du·crey \dü-ˈkrā\ , Augusto (1860–1940), Italian dermatologist. Ducrey published in 1889 an announcement of his discovery of the organism which causes chancroid and now bears his name.

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