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Bonewit Chapt 20
Microbiology (Stacy Maloon)
Term | Definition |
---|---|
Bacilli | bacteria that have a rod shape |
cocci | bacteria that have a round shape |
colony | a mass of bacteria growing on a solid culture medium that have arisen from the multiplication of a single bacterium |
contagious | capable of being transmitted directly or indirectly from one person to another |
culture | the propagation of a mass of microorganisms in a laboratory culture medium |
culture medium | a mixture of nutrients on which microorganisms in a laboratory culture medium |
false-negative | a test result denoting that a condition is absent what it is actually present |
false-positive | a test result denoting that a condition is present when it is actually absent |
fastidious | extremely delicate, difficult to culture, and involving specialized growth requirements |
immunization | the process of becoming protected from a disease through vaccination |
incubate | in microbiology the act of placing a culture in a chamber that provides optimal growth requirements for the multiplication of the organisms such as the proper temperature, humidity, and darkness |
incubation period | the interval of time between the invasion by a pathogenic microorganism and the appearance of the first symptoms of the disease |
infectious disease | a disease caused by a pathogen that produces harmful effects on its host |
inoculate | to introduce microrganisms into a culture medium medium for growth and multiplication |
microbiology | the scientific study of microorganisms and their activities |
mucous membrane | a membrane lining body passages or cavities that open the the outside |
normal flora | harmless, nonpathogenic microorganism that normally reside in many parts of the body but do not cause disease |
resistance | the natural ability of an organism to remain unaffected by harmful substances in its environment |
sequela | a morbid condition occurring as a result of a less serious primary infection |
smear | material spread on a slide for microscopic examination |
specimen | a small sample or part taken from the body to show the nature of the whole |
spirilla | bacteria that have a spiral or curved shape |
streaking | in microbiology the process of inoculating a culture to provide for the growth of colonies on the surface of a solid medium. streaking is accomplished by skimming a wire inoculating loop that contains the specimen across the surface of the medium, using a |
streptolysin | an exotoxin produced by beta-hemolytic streptococci, which completely hemolyzes red blood cells |
susceptible | easily affected lacking resistance |