Definition

Noun: * The causative agent of tuberculosis: Mycobacterium tuberculosis is a specific species of bacteria. It is the primary pathogen responsible for causing the infectious disease known as tuberculosis (TB) in humans.

Usage

• is a scientific and medical term. It is used in formal contexts such as medical diagnoses, scientific research, public health, and microbiology.
• It is often abbreviated as or referred to as the "tubercle bacillus."
• Example: "The laboratory test confirmed the presence of in the sputum sample."

Examples

• Noun:
  • Mycobacterium tuberculosis is spread through the air when an infected person coughs or sneezes.
  • Drug-resistant strains of Mycobacterium tuberculosis pose a significant global health challenge.
  • The discovery of Mycobacterium tuberculosis by Robert Koch in 1882 was a milestone in medicine.

Advanced Usage

• The term is used to distinguish this specific pathogen from other, non-tuberculous mycobacteria (NTM), which belong to the same genus but do not cause classic tuberculosis.
• In medical literature, you may encounter phrases like " complex (MTBC)," which refers to a group of closely related species that can cause TB.

Variants and Related Words

• Tubercle bacillus (n): A common historical and informal name for .
• MTB (n): A common abbreviation used in medical notes and research.
• Mycobacterium (n): The genus name. is one species within this genus, which also includes (causes leprosy) and many environmental species.

Synonyms

• Tuberculosis bacterium: A descriptive synonym.
• TB bacillus: A common informal term.

Related Phrases

• Latent TB infection: A state where bacteria are alive in the body but inactive, causing no symptoms.
• Active TB disease: The state where bacteria are active and multiplying, causing illness.
• Drug-susceptible M. tuberculosis: Strains of the bacteria that can be killed by standard anti-TB drugs.
• Multidrug-resistant TB (MDR-TB): Tuberculosis caused by bacteria that do not respond to at least two of the most powerful first-line anti-TB drugs.

Noun

1. cause of tuberculosis