Du·crey's bacillus dü-'krāz- n a gram-negative bacillus of the genus Haemophilus (H. ducreyi) that is the causative agent of chancroid
Du·crey dü-'krā 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.
Medical dictionary. 2011.