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Definition of BRUCELLA
: any of a genus (Brucella) of nonmotile pleomorphic bacteria that cause disease in humans and domestic animals
Origin of BRUCELLA
New Latin, from Sir David Bruce
First Known Use: 1930
Medical Definition of BRUCELLA
capitalized: a genus of nonmotile capsulated bacteria of the family Brucellaceae that cause disease in humans and domestic animals
pluralbru·cel·lae\-ˈsel-(ˌ)ē\orbru·cel·las: any bacterium of the genus Brucella
Biographical Note for BRUCELLA
Bruce\ˈbrüs\ , Sir David(1855–1931), British bacteriologist. While on the island of Malta in 1886, Bruce discovered the bacterial cause of undulant or Malta fever; he reported his findings the following year. He called the causal organism Micrococcus melitensis but in 1920 the genus was renamed Brucella in his honor. Also, the disease caused by bacteria of this genus is now usually known as brucellosis. Bruce later did extensive research on trypanosomiasis. In 1894 he investigated nagana in Zululand, and in 1903 he started his investigation of sleeping sickness in Uganda.