Diplococcus
Diplococcus (pronunciation: /dɪploʊˈkɒkəs/) is a genus of bacteria that are typically found in pairs. The term is derived from the Greek words "diplo," meaning double, and "coccus," meaning grain or berry.
Etymology
The term "Diplococcus" is derived from the Greek words "diplo," meaning double, and "coccus," meaning grain or berry. This is in reference to the typical arrangement of these bacteria in pairs.
Characteristics
Diplococci are Gram-positive or Gram-negative bacteria that are typically spherical in shape and are usually found in pairs. They are non-motile and do not form spores. Some species of Diplococcus are pathogenic, causing diseases in humans and other animals.
Pathogenic Species
Several species of Diplococcus are known to cause diseases in humans. These include:
- Diplococcus pneumoniae, also known as Streptococcus pneumoniae, which causes pneumonia, meningitis, and other infections.
- Neisseria gonorrhoeae, a Gram-negative diplococcus that causes gonorrhea.
- Neisseria meningitidis, another Gram-negative diplococcus, which causes meningitis.
Related Terms
- Coccus: A spherical bacterium.
- Streptococcus: A genus of coccus bacteria that are typically found in chains.
- Staphylococcus: A genus of coccus bacteria that are typically found in clusters.
See Also
External links
- Medical encyclopedia article on Diplococcus
- Wikipedia's article - Diplococcus
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