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staphylococcus staph·y·lo·coc·cus (stāf'ə-lō-kŏk'əs)
n. pl. staph·y·lo·coc·ci (-kŏk'sī, -kŏk'ī)
A spherical gram-positive parasitic bacterium of the genus Staphylococcus, usually occurring in clusters and causing boils, septicemia, and other infections.
| staphylococcus (stāf'ə-lō-kŏk'əs) Pronunciation Key
Plural staphylococci (stāf'ə-lō-kŏk'sī, -kŏk'ī) Any of various bacteria of the genus Staphylococcus that are gram-positive cocci and are normally found on the skin and mucous membranes of warm-blooded animals. Pathogenic strains such as S. aureus commonly cause infections of the skin, bones, lungs and other organs. Some staphylococcal disease, such as food poisoning, is caused by a toxin produced by the bacteria. |
A category of bacteria that can cause boils, blood poisoning, and other serious infections.