pathogenic microorganism

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• Microorganism — Microbe redirects here. For other uses, see Microbe (disambiguation). A cluster of Escherichia coli …   Wikipedia

• Pathogenic — Causing disease or capable of doing it. Pathogenic bacteria are disease causing bacteria. For example, pathogenic E. coli are E. coli that are not innocuous (like most E. coli) but can make a person ill and even kill them. The word pathogenic… …   Medical dictionary

• pathogenic — adj. capable of causing disease. The term is applied to a parasitic microorganism (especially a bacterium) in relation to its host. Derivatives: pathogenicity n …   The new mediacal dictionary

• opportunistic microorganism — (pathogen) A microorganism that is usually free living or a part of the host s normal microbiota, but which may become pathogenic under certain circumstances, such as when the immune system is compromised …   Dictionary of microbiology

• Molecular Koch's postulates — are a set of experimental criteria that must be satisfied to show that a gene found in a pathogenic microorganism encodes a product that contributes to the disease caused by the pathogen. Genes that satisfy molecular Koch s postulates are often… …   Wikipedia

• immune system — Anat. a diffuse, complex network of interacting cells, cell products, and cell forming tissues that protects the body from pathogens and other foreign substances, destroys infected and malignant cells, and removes cellular debris: the system… …   Universalium

• Fever — Although a fever technically is any body temperature above the normal of 98.6 degrees F. (37 degrees C.), in practice a person is usually not considered to have a significant fever until the temperature is above 100.4 degrees F (38 degrees C.).… …   Medical dictionary

• Virulent — Extremely noxious, damaging, deleterious, disease causing (pathogenic). Marked by a rapid, severe, and malignant course. Poisonous, venomous. The virulence of a microorganism is a measure of the severity of the disease it causes. The word… …   Medical dictionary

• germ — 1. A microbe; a microorganism. 2. A primordium; the earliest trace of a structure within an embryo. [L. germen, sprout, bud, g.] dental g. SYN: tooth g.. enamel g. the enamel …   Medical dictionary

• Resistance — Opposition to something, or the ability to withstand it. For example, some forms of staphylococcus are resistant to treatment with antibiotics. * * * 1. A force exerted in opposition to an active force. 2. The opposition in a conductor to the… …   Medical dictionary

• Mycobacterium smegmatis — Scientific classification Kingdom: Bacteria Phylum …   Wikipedia