Coccus
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Cocci (singular - coccus, from the Latin coccinus (scarlet) and derived from the Greek kokkos (berry) ) are any microorganism (usually bacteria) whose overall shape is spherical or nearly spherical.[1]
Aggregations of coccoid bacteria often occur and these forms have specific names as well[1]; listed here are the basic forms as well as representative bacterial genera:
- pairs, or diplococci (Neisseria)
- groups of four or eight known as tetrads or sarcina (Micrococci)
- bead-like chains, or streptococci (Streptococcus)
- grapelike clusters, or staphylococci (Staphylococcus)
Important human pathogens caused by coccoid bacteria include staphylococci infections, some types of food poisoning, some urinary tract infections, toxic shock syndrome, gonorrhea, as well as some forms of meningitis, throat infections, pneumonias, and sinusitis.[1]
References
ca:Coc da:Kok (bakterie) de:Kokkenfr:Cocci id:Bakteri kokus it:Coccus lt:Rutulinės bakterijos nl:Kokken ja:球菌
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
