spherical bacterium

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• bacterium — pl bacteria nicellular prokaryotic organisms, without a distinct nucleus. Major distinctive groups are defined by Gram staining. Also classified on the basis of oxygen requirement (aerobic vs anaerobic) and shape (spherical = coccus; rodlike =… …   Glossary of Biotechnology

• coccus — coccal, coccic /kok sik/, adj. coccous, adj. /kok euhs/, n., pl. cocci / suy, see/. 1. Bacteriol. a spherical bacterium. See diag. under bacteria. 2. Bot. one of the carpels of a schizocarp. [1755 65; < NL < Gk kókkos grain, seed, berry] * * *… …   Universalium

• meningococcus — meningococcal, meningococcic /meuh ning goh kok ik, kok sik/, adj. /meuh ning goh kok euhs/, n., pl. meningococci / kok suy, see/. a reniform or spherical bacterium, Neisseria meningitidis, that causes cerebrospinal meningitis. [1890 95; < NL;… …   Universalium

• Micrococcus — A genus of bacteria (family Micrococcaceae) containing Gram positive, spherical cells that occur in irregular masses. Some species are motile or produce motile mutants. These organisms are saprophytic, facultatively parasitic, or …   Medical dictionary

• micrococcus — A vernacular term used to refer to any member of the genus M.. * * * mi·cro·coc·cus .mī krō käk əs n 1) cap a large genus (the type genus of the family Micrococcaceae) of nonmotile gram positive spherical bacteria that occur in tetrads or… …   Medical dictionary

• Deinococcus radiodurans — A tetrad of D. radiodurans Scientific classification Kingdom: Bacteria …   Wikipedia

• Coccus — A bacterial cell which has the shape of a sphere. Coccus enters into the name of a number of bacteria. For example, enterococcus, meningococcus, pneumococcus, staphylococcus, and streptococcus. * * * 1. A bacterium of round, spheroidal, or ovoid… …   Medical dictionary

• micrococcus — micrococcal, micrococcic /muy kreuh kok sik/, adj. /muy kreuh kok euhs/, n., pl. micrococci / kok suy, see/. Bacteriol. any spherical bacterium of the genus Micrococcus, occurring in irregular masses, many species of which are pigmented and are… …   Universalium

• diplococcus — 1. Spherical or ovoid bacterial cells joined together in pairs. 2. Common name of any organism belonging to the former bacterial genus D.. [diplo + G. kokkos, berry] * * * dip·lo·coc·cus käk əs n any of various encapsulated bacteria (as the… …   Medical dictionary

• coccobacillus — A short, thick bacterial rod of the shape of an oval or slightly elongated coccus. [G. kokkos, berry] * * * Coccobacillus n syn of PASTEURELLA * * * n. a rod shaped bacterium (bacillus) that is so small that it resembles a spherical bacterium… …   Medical dictionary

• coccobacillus — n. a rod shaped bacterium (bacillus) that is so small that it resembles a spherical bacterium (coccus). Examples of such bacteria are Bacteroides and Brucella …   The new mediacal dictionary