PASTEURELLA PESTIS Meaning and
Definition
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Pasteurella pestis is a bacterium that belongs to the Pasteurellaceae family, specifically the Pasteurella genus. It is a Gram-negative, non-motile, non-spore-forming coccobacillus that is known to cause pneumonic and bubonic plague, which are severe infectious diseases with high mortality rates if left untreated. Pasteurella pestis is primarily transmitted through flea bites, making rodents the main reservoir for this bacterium.
Bubonic plague, the most common form of the disease, is characterized by the sudden onset of high fever, painful swollen lymph nodes called buboes, and the formation of black patches on the skin due to tissue necrosis. If left untreated, the infection can progress to septicemic and pneumonic plague, resulting in severe respiratory distress and potentially overwhelming sepsis, leading to death.
Pasteurella pestis has a complex life cycle involving fleas and rodents. Once inside a susceptible host, the bacterium proliferates and spreads throughout the bloodstream, causing a systemic infection. It elicits an immune response that results in inflammation, tissue damage, and the formation of necrotic foci, contributing to the characteristic clinical manifestations associated with the plague.
Due to its potential for causing devastating pandemics throughout history, Pasteurella pestis has long been a subject of scientific research and public health concern. Vaccines and antibiotics have been developed to combat this bacterium, and strict quarantine measures and rodent control strategies have been implemented to prevent its spread.
Common Misspellings for PASTEURELLA PESTIS
- oasteurella pestis
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Etymology of PASTEURELLA PESTIS
The etymology of the term "Pasteurella pestis" can be broken down as follows:
1. Pasteurella: The term "Pasteurella" is named after Louis Pasteur, a French scientist who made significant contributions to the field of microbiology. Pasteurella is the genus name used to describe a group of bacteria that includes various species, one of which is Pasteurella pestis.
2. Pestis: The term "pestis" is derived from Latin and means "plague" or "pestilence". It is used to denote a deadly infectious disease caused by the bacterium Pasteurella pestis, commonly known as the bubonic plague or Black Death.
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