Term
| Ability of bacteria, such as the Mycobacteria, to retain dye when treated with an acid-alcohol solution. |
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Definition
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Term
| Microorganism or their parts that are resistant to the removal of carbol fuchsin stain with acidified alcohol;Mycobacteria and related species with phospholipids in their cell walls have this characteristic. |
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Definition
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Term
| A microorganism that lives and grows in the presence of oxygen. |
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Definition
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Term
| A microorganism that does not require oxygen for life and reproduction |
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Definition
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Term
| The presence of viable bacteria in the blood evidences by their recovery in blood cultures |
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Definition
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Term
| Liquid medium used as a supplement to agar plates to detect small numbers of most aerobes, anaerobes and microaerophiles |
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Definition
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Term
| Microorganisms that grow bestin the presence of carbon dioxide |
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Definition
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Term
| Term used to describe microorganisms that require an increased concentration of CO2 usually between 5% and 10% |
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Definition
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Term
| An organelle in bacteria located outside the cell wall; Usually made up of polysaccharides; used by the bacteria as a protective structure |
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Definition
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Term
| Formation of a population of microorganisms within the host that does not cause disease |
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Definition
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Term
| Infection that starts in the community and are brought to the hospital by the patient; Not acquired in the hospital |
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Definition
| Community-acquired infection |
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Term
| Media that allows grouping of bacteria based on different characteristics demonstrated on the medium. |
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Definition
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Term
| Stains such as the Gram stain that stain components of the smear differently so that each component can be recognized |
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Definition
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Term
| Stains of bacteria that produce a capsule |
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Definition
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Term
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Definition
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Term
| Media that contain nutrients that enhance the growth of fastidious microorganisms |
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Definition
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Term
| Material from the lower respiratory tract produced by a deep cough |
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Definition
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Term
| A microorganism that does not require oxygen for growth but will use oxygen and grow better if it is present |
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Definition
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Term
| Hard to grow, requires addition growth facts for replication |
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Definition
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Term
| A taxonomic grouping in classifying microorganisms;a genus may consist of one or more species |
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Definition
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Term
| Bacteria that do not retain the crystal violet complex and are stained red by the counterstain |
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Definition
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Term
| Bacteria that retain the crystal violet-iodine complex and appear purple on Gram stained smears |
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Definition
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Term
| "Lysis" or dissolution or breaking apart; "hemo" pertains to red blood cells; a reaction observed in the media immediately surrounding or underneath the colony |
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Definition
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Term
| A partial lysing of red blood cells in a blood agar plate around and under the colony that results in a green discoloration of the medium |
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Definition
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Term
| Complete clearing red blood cells in a blood agar plate around or under the colonies because of complete lysis of the red blood cells |
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Definition
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Term
| Term used to describe an individual with deficient function of the immune system |
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Definition
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Term
| Microorganisms of low virulence that are normally found in or on body sites; also called normal flora |
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Definition
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Term
| Material from the lower respiratory tract collecte following aerosol induction |
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Definition
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Term
| Technique to spread specimen inoculums over the surface of agar plates so that individual colonies can be obtained and a semiquantitative analysis can be performed |
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Definition
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Term
| Procedure often used for acid fast staining; like the Ziehl-Neelson stain. Does not require heat application; also called the "cold" stain |
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Definition
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Term
| An infectious disease characterized by the inflammation of the meninges |
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Definition
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Term
| Microorganism that grows with reduced oxygen and increased carbon dioxide |
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Definition
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Term
| Microorganisms that require environments containing concentrations of oxygen lower than that present in the atmosphere |
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Definition
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Term
| Strains of bacteria that do not produce a capsule |
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Definition
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Term
| Media that support the growth of most nonfastidious aerobes |
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Definition
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Term
| Organisms that exist in a symbiotic relationship with the host; these organisms are isolated from the host in the absence of disease |
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Definition
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Term
| An infection acquired within 72 hours of a stay in a hospital |
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Definition
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Term
| Culture media that are complex and made of extracts of meat or soybeans |
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Definition
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Term
| A microorganism that can live and reproduce only in a strick anaerobic environment (0% oxygen) |
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Definition
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Term
| Microorganisms that usually do not produce disease but are capable of causing disease in an individual whose immune system is compromised |
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Definition
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Term
| Disease caused by a microorganism with low virulence that becomes pathogenic in a host with low immunologic resistance |
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Definition
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Term
| A microorganism that causes disease |
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Definition
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Term
| Organisms capable of causing disease |
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Definition
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Term
| The ability of a microorganism to cause disease |
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Definition
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Term
| A disease characterized by inflammation of the lungs, typically associated with fever, respiratory symptoms and the presence of parenchymal involvement detected either by physical examination or by the presence of infiltrates on chest x-ray |
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Definition
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Term
| Two or more microbial morphotypes are present and, if they are likely pathogens in an infection, the infection is polymicrobic |
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Definition
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Term
| Bacteremia that involves more than one microbial organism |
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Definition
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Term
| Bacteremia that arises from an infected extravascular source such as the lung in patients with pneumonia |
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Definition
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Term
| Media that support the growth of one type or one group of microorganisms but not of another |
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Definition
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Term
| Systemic response to bacterial infection |
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Definition
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Term
| Chemical stains that are water or alcohol based that can be used directly on prepared slides without additional preparation or complex steps |
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Definition
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Term
| In classifying microorganisms, it is assigned a two part name, with genus listed first and species second |
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Definition
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Term
| Specimen that is not properly selected, collected or transported such that a microbiology culture will lead to misleading results |
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Definition
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Term
| Liquid or semisolid medium meant to preserve and maintain the integrity of the speciment for the period between specimen collection and laboratory processing of the specimen |
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Definition
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Term
| A microorganism capable of producing disease in both immunocompetent individuals |
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Definition
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Term
| An infection occurring in or associated with the urinary tract |
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Definition
| Urinary tract infection (UTI) |
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Term
| The degree of pathology caused by the organism; the extent of virulence is usually correlated with the ability of the pathogen to multiply within the host and may be affected by other factors. |
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Definition
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Term
| Procedure used for acid fast staining; it is a carbol fuchsin metho that involves the application of heat; also called the "hot" stain |
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Definition
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