| smooth-rough v. |
a genetic mutation or an adaptation seen in bacteria, most often evidenced by a change in the surface of colonies from smooth (S, glossy) to rough (R, dull). The change correlates with pathogenicity, S strains being generally more virulent and R strains less so. The cells in S colonies have polysaccharide capsules and are more antigenically complete; R cells contain little or no capsule. The term may also refer to changes in other cell structures such as flagella and somatic antigens, as well as susceptibility to bacteriophage. Variations are often reversible and tend to result in mixed types on repeated subculture. See also bacterial dissociation, under dissociation.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| smoker's cancer |
Cancer of the lip, throat, or lung caused by irritation from excessive smoking. SEE: tobacco.
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| smoker's patch |
Leukoplakia of the oral mucosa.
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| smoking deterrent |
Any agent, such as nicotine or some antidepressant drugs, that relieves the desire to smoke tobacco products.
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| smoking, passive |
The exposure of persons who do not smoke tobacco products to the toxic gases released by the burning of these products in their homes, workplaces, or recreational environments. Exposure to environmental tobacco smoke has been li
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| SMO | someone with an assured and ingratiating manner |
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| SMO | (Scandinavian) an assortment of foods starting with herring or smoked eel or salmon etc with bread and butter |
| SMO | a stifling cloud of smoke |
| SMO | a confused multitude of things |
| SMO | conceal or hide |
| SMO | envelop completely |
| SMO | deprive of the oxygen necessary for combustion |
| SMO | deprive of oxygen and prevent from breathing |
| SMO | form an impenetrable cover over |
| SMO | held in check with difficulty |
| SMO | completely covered |
| SMO | a person who stifles or smothers or suppresses |