What is the best definition of tuberculosis?

What is the best definition of tuberculosis?

tuberculosis. [ tu-bûr′kyə-lō′sĭs ] n. An infectious disease of humans and animals caused by the tubercle bacillus and characterized by the formation of tubercles on the lungs and other tissues of the body, often developing long after the initial infection.

What is the definition of tuberculosis disease?

Summary. Tuberculosis (TB) is a disease caused by bacteria called Mycobacterium tuberculosis. The bacteria usually attack the lungs, but they can also damage other parts of the body. TB spreads through the air when a person with TB of the lungs or throat coughs, sneezes, or talks.

What is the science definition of the disease tuberculosis?

Science definitions for tuberculosis. tuberculosis. An infectious disease caused by the bacterium Mycobacterium tuberculosis that is transmitted through inhalation and is characterized by cough, fever, shortness of breath, weight loss, and the appearance of inflammatory substances and tubercles in the lungs.

What kind of disease is caused by tubercles?

an infectious disease that may affect almost any tissue of the body, especially the lungs, caused by the organism Mycobacterium tuberculosis, and characterized by tubercles.

How does tuberculosis affect other parts of the body?

Tuberculosis. Tuberculosis generally affects the lungs, but can also affect other parts of the body. Most infections do not have symptoms, in which case it is known as latent tuberculosis. About 10% of latent infections progress to active disease which, if left untreated, kills about half of those affected.

How is tuberculosis classified as a granulomatous disease?

Tuberculosis is classified as one of the granulomatous inflammatory diseases. Macrophages, T lymphocytes, B lymphocytes, and fibroblasts aggregate to form granulomas, with lymphocytes surrounding the infected macrophages.

Is tuberculosis caused by a virus?

Tuberculosis virus. Tuberculosis ( TB ) is an infectious disease caused by Mycobacterium tuberculosis virus. TB targets mainly the lungs but may also affect any area of the body such as the urinary tract, central nervous system, bones and/or joints, other organs, abdominal area, or lymph nodes.

How many deaths from TB?

Tuberculosis, just referred to as TB, is the number one infectious disease killer in the whole world. According to WHO, close to 10 million people contracted TB worldwide with a reported 1.5 million deaths.

What bacteria causes tuberculosis?

Tuberculosis (TB) is an infectious disease usually caused by Mycobacterium tuberculosis (MTB) bacteria. Tuberculosis generally affects the lungs, but can also affect other parts of the body.

What does the name tuberculosis mean?

tuberculosis – Medical Definition. n. Abbr. TB. An infectious disease of humans and animals caused by the tubercle bacillus and characterized by the formation of tubercles on the lungs and other tissues of the body, often developing long after the initial infection.