Han·sen's bacillus (h n s nz)n. An aerobic, nonmotile, gram-positive bacterium Mycobacterium leprae that causes leprosy in humans. |
Hansen's bacillus
Etymology: Gerard H.A. Hansen, Norwegian physician, 1841-1912; L, bacillum, a small rod
the acid-fast Mycobacterium leprae, which is the cause of leprosy.
bacillus [bah-sil´us] (pl. bacil´li) (L.)
1. an organism of the genus Bacillus.
2. any rod-shaped bacterium.
anthrax bacillus Bacillus anthracis.
Calmette-Guérin bacillus bacille Calmette-Guērin.
coliform bacilli gram-negative bacilli found in the intestinal tract that resemble Escherichia coli, particularly in the fermentation of lactose with gas.
colon bacillus Escherichia coli.
glanders bacillus Pseudomonas mallei.
Hansen's bacillus Mycobacterium leprae.
legionnaire's bacillus Legionella pneumophila.
tubercle bacillus Mycobacterium tuberculosis.
typhoid bacillus Salmonella typhi.
Hansen's bacillus
Mycobacterium leprae, the causative agent of human leprosy. Does not infect animals, except the nine-banded armadillo under experimental circumstances. Included here for reassurance.
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