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bacillus US English

A disease-causing bacterium

Bacillus in bacillus US English

A disease-causing bacterium

Bacillus in polymyxin US English

Any of a group of polypeptide antibiotics that are active chiefly against Gram-negative bacteria

colon bacillus US English

Another term for coliform bacterium.

lepra bacillus US English

= leprosy bacillus.

plague bacillus US English

The bacterium Yersinia pestis, a Gram-negative ovoid organism of the family Enterobacteriaceae which is the causative agent of plague.

influenza bacillus US English

A bacillus believed to cause influenza; specifically the bacterium Haemophilus influenzae, now recognized as a cause of pneumonia, meningitis, and conjunctivitis, especially in children.

leprosy bacillus US English

The causative agent of leprosy, Mycobacterium leprae, which is an acid-fast rod-shaped bacterium which cannot be cultured in vitro but can be grown in a few animals, especially the nine-banded armadillo, Dasypus novemcinctus; also called Hansen's bacillus.

Pfeiffer's bacillus US English

The bacterium Haemophilus influenzae, formerly thought to be the causal agent of influenza. Now chiefly historical.

tubercle bacillus US English

A bacterium that causes tuberculosis

Klebs–Löffler bacillus US English

A bacterium that causes diphtheria in humans and similar diseases in other animals

Bacillus brevis in gramicidin US English

An antibiotic with a wide range of activity, used in many medicinal preparations

Bacillus subtilis in bacitracin US English

An antibiotic typically used topically for skin and eye infections

Bacillus popilliae in milky spore US English

A bacterial disease of beetle larvae, including the Japanese beetle; the bacterium has been isolated and used in a commercial pesticide sold under the same name

pseudodiphtheria bacillus in pseudodiphtheria US English

Attributive Designating the bacterium Corynebacterium pseudodiphtheriticum, which resembles the causal agent of diphtheria, C. diphtheriae, and is found in the nasopharynx of humans, but is non-pathogenic. Chiefly in pseudodiphtheria bacillus. Compare pseudodiphtheritic. Now historical.