BIOL 261 Chapter : Chapter 27 Vocabulary
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15 Mar 2019
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Bacteremia: the presence of microorganisms in the blood. Capsule: a dense, well-defined polysaccharide or protein layer closely surrounding a cell. Colonization: the growth of a microorganism after it has gained access to host tissues. Dental caries: tooth decay resulting from bacterial infection. Dental plaque: bacterial cells encased in a matrix of extracellular polymers and salivary products, found on the teeth. Disease: an injury to a host organism, caused by a pathogen or other factors that affects the host organism s function. Endotoxin: the lipopolysaccharide portion of the cell envelope of most gram- negative bacteria, which a toxin when solubilized. Enterotoxin: a protein released extracellularly by a microorganism as it grows that produces immediate damage to the small intestine of the host. Exotoxin: a protein released extracellularly by a microorganism as it grows it produces immediate host cell damage. Host: an organism that can harbor a pathogen. Infection: the growth of organisms in the host.