Katherine Taylor Microbiology Definitions 2012

8/2/2019 Katherine Taylor Microbiology Definitions 2012

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Katherine Taylor

Microbiology Vocabulary

susceptibility The likelihood of suffering from an adverse effect or disorder when exposed to anoxious stimulus or pathogen.

B Lactam antibiotics-

minimum inhibitory concentration The minimum antibiotic concentration needed to inhibit

bacterial growth from a clinical isolateeg, a bloodborne infection, which is a form of

antimicrobial susceptibility testing

minimum bactericidal concentration The lowest concentration of an antibiotic that is

bactericidal to 99.9% of an original inoculum.

physical barrier- anything that impedes your progress or movement.

chemical barrier- variety of chemicals act as nonspecific immune devices in the body. The

important ones are : lysozyme, lactoferrin, transferrin

Opsonization the rendering of bacteria and other cells subject to phagocytosis

Chemotaxic The movement of cells in response to chemical stimulant.

Aquired immunity- Immunity acquired by infection or vaccination (active immunity) or by thetransfer of antibody or lymphocytes

Antibodies Specialized cells of the immune system which can recognize organisms that invade

the body (such as bacteria, viruses, and fungi). The antibodies are then able to set off a complex

chain of events designed to kill these foreign invaders.

AntigenAny substance that produces an immune response

Innate immunity- Immunity that occurs naturally as a result of a person's genetic constitution or

physiology and does not arise from a previous infection or vaccination.

IgG antibodies- IgG antibodies are involved in predominantly thesecondary immune response.

The presence of specific IgG, in general, corresponds to maturation of the antibody response

IgM antibodies - IgM antibodies are the largest antibody. They are found in blood and lymph

fluid and are the first type of antibody made in response to an infection
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Primary Immune response - The immune response occurring on the first exposure to a foreign

material in the body.

Secondary immune response- the immune response occurring on second and subsequent

exposures to an antigen, with a stronger response to a lesser amount of antigen, and a shorter lag

time compared to the primary immune response.

Rapid Methods - the study of improved methods in the isolation, early detection,

characterization, and enumeration of microorganisms and their products in clinical, food,

industrial, and environmental samples.

Vitek- system for rapid microbial identification and antibiotic susceptibility testing.

MicroScan WalkAway is an automated bacterial identification and susceptibility testing system

that has only recently been marketed in Australasia.

Numeric codes Numeric codes in microbiology, outbreaks of a number of diseases.

Profile number- new diseases that suddenly develop into epidemics which can affect a large

number of people.

Indigenous Flora - "the usually complex mixture of bacterial population that colonizes a given

area in the host

commensal - living in a state of commensalism;noun either of two different animal or plant

species living in close association but not interdependent

carrier - an organism that possesses a recessive gene whose effect is masked by a dominant

allele; the associated trait is not apparent but can be passed on to offspring;

parasite - an animal or plant that lives in or on a host (another animal or plant); it obtains

nourishment from the host without benefiting or killing the host; a follower who hangs around a

host (without benefit to the host) in hope of gain or advantage

pathogen - any disease-producing agent (especially a virus or bacterium or other

microorganism)

opportunistic - taking immediate advantage, often unethically, of any circumstance of possible

benefit


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virulence - extreme hostility; extreme harmfulness (as the capacity of a microorganism to cause

disease)

phagocytosis - process in which phagocytes engulf and digest microorganisms and cellular

debris; an important defense against infection

Lysosomes

chemotaxis - movement by a cell or organism in reaction to a chemical stimulus

inflammation - arousal to violent emotion; a response of body tissues to injury or irritation;

characterized by pain and swelling and redness and heat; the act of setting something on fire; the

state of being emotionally aroused and worked up

host - an animal or plant that nourishes and supports a parasite; it does not benefit and is often

harmed by the association

Exotoxins

Endotoxins

invasion - the act of invading; the act of an army that invades for conquest or plunder;

(pathology) the spread of pathogenic microorganisms or malignant cells to new sites in the body;

any entry into an area not previously occupied

dissemination - the property of being diffused or dispersed; the opening of a subject to

widespread discussion and debate; the act of dispersing or diffusing something

zoonoses.

epidemiology - noun the branch of medical science dealing with the transmission and control of

disease

endemic - adj. native to or confined to a certain region; of or relating to a disease (or anything

resembling a disease) constantly present to greater or lesser extent in a particular locality ;


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epidemic a widespread outbreak of an infectious disease; many people are infected at the same

time

polymicrobic marked by the presence of several species of microorganisms

etiologic agents microorganisms and microbial toxins that cause disease in humans and includebacteria, bacterial toxins, viruses

standard precautions guidelines recommended by the Centers for Disease Control and Prevention

for reducing the risk of transmission of blood-borne and other pathogens in hospitals.

non-invasive specimen

invasive specimen

direct examination

centrifuged sediment smear

enrichment broth one modified to permit growth by selected bacteria. An example is selenite

broth, which is selective for salmonellae.

Purelence

Gram Stain a staining procedure in which microorganisms are stained with crystal violet, treated

with strong iodine solution, decolorized with ethanol or ethanol-acetone, and counterstained with

a contrasting dye; those retaining the stain aregram-positive, and those losing the stain but

staining with the counterstain aregram-negative.

Wright Giemsa stain a solution containing azure II-eosin, azure II, glycerin, and methanol; used

for staining protozoan parasites, such asPlasmodiumandTrypanosoma, forChlamydia, for

differential staining of blood smears, and for viral inclusion bodies.

Ziel Neelson Stain Acid-fast stain (Ziehl-Neelsen method) is a useful differential staining

procedure that specifically stains all members of the genera mycobacteria

Methylene Blue Stain Methylene blue stain is a general biological stain used to highlight parts

of animal, bacteria and blood tissue specimens.

Dna Probe An agent that binds directly to a predefined sequence of nucleic acids

Amorphous debris Small / Moderate / Large amounts of. Red, white and epithelial cells. Any

number of red blood cells is abnormal in a urine deposit

Colonial morphology is a way scientists can identify bacteria
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Lactose fermenter

Non fermenter

Hemolysis is the breakdown of red blood cells

Alpha hemolysis is a greenish discoloration that surrounds a bacterial colony

Beta Hemolys is sometimes called complete hemolysis, is a complete lysis of red cells in the

media around and under the colonies: the area appears lightened (yellow) and transparent

Streamers a stream of light, especially one appearing in some forms of the aurora borealis

Puff Balls any of various basidiomycetous fungi, especially of the genusLycoperdon and allied

genera, characterized by a ball-like fruit body that emits a cloud of spores when broken.

Turbidity not clear or transparent because of stirred-up sediment

Catalase an enzyme that decomposes hydrogen peroxide into oxygen and water

Coagulase anyenzyme that causes coagulationofblood

Coagulase negative staphylococci

Protein a

Furnucles is a boil which has infected a hair follicle

Carbuncles an abscess larger than a boil, usually with one or more openings draining pus onto

the skin.

Osteomyelitis infection of the bone marrow

Novobiocin susceptibility is determined by placing a novobiocin-impregnated paper disk on a

nutrient agar plate seeded with the microbe under investigation.

Beta lactamase any of a group of enzymes, produced by almost all gram-negative bacteria, that

hydrolyze the -lactam ring of penicillins and cephalosporins, destroying their antibiotic activity.

Methicillin Resistant Staphylococci is a bacterium responsible for several difficult-to-treat

infections in humans.

Ritters Diseasepathological condition of a part, organ, or system of an organism resulting from

various causes, such as infection, genetic defect, or environmental stress

Streptococcus spherical Gram-positive bacteria occurring in pairs or chains; cause e.g. scarlet

fever and tonsillitis
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Enterococcus is a genus of lactic acid bacteria of the phylum Firmicutes

Lancefield Classification the systematic arrangement of similar entities on the basis of certain

differing characteristics

Group A Streptococci is the causative agent in Group A streptococcal infections,

Streptococcus pyogenes Streptococcus pyogenes is a spherical, Gram-positive bacterium that is

the cause of group A streptococcal infections.

Group B Streptococci also known as 'Streptococcus agalactiae' and more colloquially as Strep B

and group B Strep, can cause serious illness and sometimes death, especially in newborn infants,

the elderly, and patients with compromised immune systems

Bacitracin a polypeptide antibiotic of known chemical structure effective against several types of

Gram-positive organisms; usually applied locally

Sulfamethoxazole and trimethoprim a sulfonamide (trade name Gantanol) used to treat infections

(especially infections of the urinary tract

Optochin is a chemical used in cell culture techniques for the presumptive identification of

Streptococcus pneumoniae

Bile Solubility A modified bile solubility test is described which can be used to presumptively

identify Streptococcus pneumoniae recovered in blood culture

Strep pneumonia is a Gram-positive, alpha-hemolytic, aerotolerant anaerobic member of the

genus Streptococcus

Hippurate Hydrolysis a biochemical reaction used to identify bacteria. Particularly used for

differentiation of streptococci causing bovine mastitis

PYR hydrolysis test a preliminary identification for Streptococci

CAMP testis a test to identify Group B -streptococci based on their formation of a substance

(CAMP factor) that enlarges the area of hemolysis

Bile esculin hydrolysis test To isolate and identify bacteria able to hydrolyze esculin in the

presence of bile. Commonly used for presumptive identification of group D streptococci and

enterococci, all of which are positive

NACL test

M protein (Streptococcus), a virulence factor of the bacterium Streptococcus pyogenes

Hyaluronidase (spreading factor) This is also called the spreading factor because it catalyzes

the breakdown of hyaluronic acid, the substance that cements the human cells
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Streptolysin O is a bacterial protein that forms an alpha helix and is toxic to eukaryotic cells. Its

toxic effect is due to the protein's ability to bind

pharyngitis - inflammation of the fauces and pharynx

Scarlet fever is a rash that is caused by strep infections

.

impetigo - a very contagious infection of the skin; common in children; localized redness

develops into small blisters that gradually crust and erode

erysipelas - an acute streptococcal infection characterized by deep-red inflammation of the skin

and mucous membranes

cellulitis - an inflammation of body tissue (especially that below the skin) characterized by feverand swelling and redness and pain

rheumatic fever is an inflammatory disease that may develop after an infection with

Streptococcus bacteria

Acute Glomerulonephritis is a group of synptoms that occur with some disorders that cause

glomerulonephritis, or swelling and inflammation of the glomeruli in the kidney.

Streptoccoal toxic shock syndrome is a rare but extremely severe illness characterized by

hypotension (low blood pressure) and shock

Group D streptococci Group D streptococci have been reclassified and placed in the genus

Enterococcus(includingEnterococcus faecalis,Enterococcus faecium,Enterococcus durans,

andEnterococcus avium

Corynebacterium sp. is agenusofGram-positive, rod-shapedbacteriaresponsible for causing

diphtheria.

Diptheria toxin is an exotoxin secreted by Corynebacterium diphtheriae, the pathogen

bacterium that causes diphtheria

Arcanobacterium formerly known as Corynebacterium hmolyticum, is a bacterial species.

Listeria monocytogenes facultative anaerobe, intracellular bacterium, is the causative agent of

listeriosis. It is one of the most virulent foodborne pathogens

Tumbling motility A motile bacteria propels itself from place to place by rotating its flagella.

To move forward, the flagella rotate counterclockwise and the organism "swims
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Erysipelothrix rhusiopathiae is a gram-positive, catalase-negative, rod-shaped bacterium. It

grows aerobically and anaerobically and does not contain endotoxin

Bacillus is agenusofGram-positive, rod-shapedbacteriaand a member of the division

Firmicutes.Bacillus species can be obligateaerobesorfacultative anaerobes, and test positive

for theenzymecatalase

Anthrax is an infectious disease due to a type of bacteria called Bacillus anthracis

Nocardia is agenusof weakly stainingGram-positive,catalase-positive, rod-shapedbacteria. It

forms partiallyacid-fastbeaded branching filaments

Actinomadura is a filamentous bacterium found in soil. Actinomadura is an aerobic

actinomycetes

Streptomyces is the largest genus of Actinobacteria and the type genus of the family

Streptomycetaceae

TheNeisseria is a large genus ofcommensalbacteriathat colonize themucosalsurfaces of many

animals. Of the 11 species that colonize humans, only two arepathogens

Moraxella catarrhalis is a fastidious, nonmotile,Gram-negative,aerobic,oxidase-positive

diplococcusthat can causeinfectionsof therespiratory system,middle ear,eye,central nervous

systemandjointsof humans

Haemophilus is a genus of Gram-negative, pleomorphic, coccobacilli bacteria belonging to the

Pasteurellaceae family

Hematin is considered the "X factor" required for the growth of Haemophilus influenza

Factor V (pronounced factor five) is aproteinof thecoagulationsystem, rarely referred to as

proaccelerin or labile factor. In contrast to most other coagulation factors, it is not

enzymatically active but functions as acofactor

Satellitism the phenomenon in which certain bacterial species grow more vigorously in the

immediate vicinity of colonies of other unrelated species, owing to the production of an essential

metabolite by the latter species

Encapsulated enclosed in fibrous or membranous sheaths. It refers to organisms that form aprotective capsule.

Nonencapsulated It refers to organisms that do not form a protective capsule.

Chanchroid is also referred to as a venereal ulcer. It is caused by the Haemophilus ducreyi

bacillus
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Pink eye Conjunctivitis is swelling (inflammation) or infection of the membrane lining the

eyelids (conjunctiva)

Buboes is swelling of the lymph nodes. It is found in infections such as bubonic plague,

gonorrhea, tuberculosis

School of Fish Appearance descriptive term for a light microscopic pattern characterised by

multiple, discrete oval-to-elongated structures arranged in long, roughly parallel fascicles

Legionellosis is a potentially fatal infectious disease caused by gram negative, aerobic bacteria

belonging to the genus Legionella

Legionnaires' disease acquired its name in July 1976 when an outbreak of pneumonia occurred

among people attending a convention of the American Legion

Pontiac fever flu-like illness caused by the bacterium Legionella pneumophila contracted by

breathing mist that comes from a water source

Fluorescein isoothiocyanate (FITC) is a derivative of fluorescein used in wide-ranging

applications including flow cytometry.

L cysteine a sulfur-containing, nonessential amino acid produced by enzymatic or acid

hydrolysis of proteins

Buffered charcoal yeast extract (BCYE) agar is a selective growth medium used to culture or

grow certain bacteria, particularly the Gram-negative species

The Enterobacteriaceae is a large family of Gram-negative bacteria that includes many of themore familiar pathogens, such as Salmonella, Escherichia coli

Enterics rod-shaped gram-negative bacteria of the family Enterobacteriaceae ; most occur

normally or pathogenically in intestines of humans and other animals

O antigen repetitiveglycanpolymercontained within an LPS is referred to as the Oantigen, O

polysaccharide, or O side-chain of the bacteria. The O antigen is attached to the core

oligosaccharide, and comprises the outermost domain of the LPS molecule

H antigen a bacterial flagellar antigen important in the serological classification of enteric bacilli.

the precursor of the A and B blood group antigens; normal type O individuals lack the enzyme toconvert it to A or B antigens

K antigen a bacterial capsular antigen, a surface antigen external to the cell wall

E. Coli is a Gram-negative, rod-shaped bacterium that is commonly found in the lower intestine

of warm-blooded organisms (endotherms).
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Shiga toxin also known as verotoxin, is a toxin generated by some strains of Escherichia coli

Triple Sugar Iron medium is a differential medium that can distinguish between a number of

Gram-negative enteric bacteria based on their physiological ability (or lack thereof) to:

Kliger iron agar KIA are used to determine if bacteria can ferment glucose and/or lactose and if

they can produce hydrogen

Sulfid, indole, motility (SIM) medium is a semisolid agar used to determine hydrogen sulfide

(H2S) production, indole formation, and motility

Motility, indole, ornithine (MIO) Medium is designed to aid in the identification of members of

the family Enterobacteriaceae on the basis of motility

Beta galactosidase also called beta-gal or -gal, is ahydrolaseenzymethatcatalyzesthehydrolysisof

-galactosidesintomonosaccharides

Beta galactosidase permease catalyzes the hydrolysis of its disaccharide substrate via "shallow"

and "deep" binding, thus breaking down lactose

MRVP a differential test for bacterial respiration, used to distinguish/differentiate strainsof coliform bacteria (i.e., Escherichiaand Enterobacter) methyl red test contains a smallamount of carbohydrate fermentable by both organisms.

Indole A white crystalline compound obtained from coal tar or various plants and found in the intestines

and feces as a product of the bacterial decomposition of tryptophan. Also called ketole.

Deaminase Any of a class of enzymes that catalyze the hydrolysis of compounds containing an amino

group. Also called deaminating enzyme.

Decarboxlyase is a chemical reaction that releases carbon dioxide (CO2)

Nitrate Reduction Nitrate broth is used to determine the ability of an organism to reduce nitrate

(NO3) to nitrite (NO2) using the enzyme nitrate reductase.

Vibrio sp Cholera is an infection of the small intestine that causes a large amount of watery

diarrhea. Symptoms: Abdominal cramps; Dry mucus membranes or mouth; Dry skin; Excessive

thirst; Glassy or sunken eyes; Lack of tears
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Aeromonas sp. Aeromonas is a gram-negative, facultative anaerobic rod that morphologically

resembles members of the family Enterobacteriaceae

Plesimonas sp shigelloides is a species of bacteria. It is a Gram-negative, rod-shaped

bacterium which has been isolated from freshwater, freshwater fish

Campylobacter sp. is a genus of bacteria that are Gram-negative, spiral, and microaerophilic.

Motile, with either unipolar or bipolar

Campy

Darting motility A motile bacteria propels itself from place to place by rotating its flagella

Urea Breath test The urea breath test is a rapid diagnostic procedure used to identify infections

by Helicobacter pylori, a spiral bacterium implicated in gastritis, gastric ulcer,

Asaccharolytic incapable of metabolizing glucose or other carbohydrates

Pseudomembranous colitis Pseudomembranous colitis

Aerotolerance test the first biochemical test used for the identification of aerobic gram positive

bacteria; catalase

Presumptive identification identification by the colony morphology, growth on selective media,

gram stains

Clostridium sp is a genus of Gram-positive bacteria, belonging to the Firmicutes. They are

obligate anaerobes capable of producing endospores

Egg-Yolk Agar (EYA) is an enriched non-selective and differential medium for the presumptive

identification of certain anaerobic isolates

Actinomyces spp Greek "actis" ray, beam and "mykes" mucus, fungus, is a genus of the

actinobacteria class of bacteria

Bifidobacterium is a genus of Gram-positive, non-motile, often branched anaerobic bacteria.They are ubiquitous, endosymbiotic inhabitants

Eubacterium a genus of bacteria of the family Propionibacteriaceae, found as saprophytes in

soil and water

Mobiluncus is a genus of gram-positive, anaerobic, rod-shaped bacteria. While this species of

bacterium possesses a cell wall


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Lactobacillus also called Dderlein's bacillus, is a genus of Gram-positive facultative anaerobic

or microaerophilic rod-shaped bacteria

Propionibacterium sp. acnes is a relatively slow growing, typically aerotolerant anaerobic gram

positive bacterium (rod) that is linked to the skin condition acne

Petostreptococcus sp. a genus of gram-positive anaerobic chemoorganotrophic bacteria that occur in

pairs or chains. The potentially pathogenic organisms are found in normal and pathologic female genital

tracts and in the intestinal and respiratory tracts of normal humans. They have been associated with a

variety of disorders ranging from appendicitis to putrefactive wounds.

Gardnerella vaginalis is a facultatively anaerobic Gram-variable rod that can causebacterial vaginosis

in some women as a result of a disruption in the normalvaginalmicroflora

Spirochetes belong to a phylum of distinctive Gram-negative bacteria, which have long, helically

coiled (spiral-shaped) cells

Periplasmic flagella Although spirochete periplasmic flagella have many features similar to typical

bacterial flagella, they are unique in their structure and internal periplasmic location. This location

provides advantages for pathogenic spirochetes to enter and to adapt in the appropriate host

Fletchers semisolid medium Fletcher's Medium is an enriched, semisolid medium used for

the cultivation of Leptospira

Stuart liquid medium Liquid Stuart & Liquid Amies transport medium are designed to support a wide range of bacteria

Leptospirosis is a rare and severe bacterial infection that occurs when people are exposed tocertain environments

Weils Disease The disease was first described by AdolfWeil in 1886 when he reported an"acute infectious disease with enlargement of spleen, jaundice, and nephritis

Kelly medium

Arthropod vectors The deer tick, a vector for lyme disease. Arthropods form a major group of

disease vectors with mosquitoes, flies

Lyme borreliosis is an emerging infectious disease caused by at least three species of bacteriabelonging to the genus Borrelia
http://en.wikipedia.org/wiki/Bacterial_vaginosishttp://en.wikipedia.org/wiki/Bacterial_vaginosishttp://en.wikipedia.org/wiki/Bacterial_vaginosishttp://en.wikipedia.org/wiki/Vaginahttp://en.wikipedia.org/wiki/Vaginahttp://en.wikipedia.org/wiki/Flora_(microbiology)http://en.wikipedia.org/wiki/Flora_(microbiology)http://en.wikipedia.org/wiki/Flora_(microbiology)http://en.wikipedia.org/wiki/Flora_(microbiology)http://en.wikipedia.org/wiki/Vaginahttp://en.wikipedia.org/wiki/Bacterial_vaginosis


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Erythema chronicum migrans refers to the rash often (though not always) seen in the earlystage of Lyme disease.

Rapid plasma reagin is a screening test for syphilis. It looks for antibodies that are present in theblood of people who have the disease

Syphilis is a sexually transmitted infection caused by the spirochete bacterium Treponemapallidum subspecies pallidum

Chancre is a painless ulceration (sore) formed during the primary stage of syphilis. Thisinfectious lesion forms approximately 21 days

Gummas is a soft, non-cancerous growth resulting from the tertiary stage of syphilis. It is a formof granuloma

Mha-tp test The MHA-TP is used to confirm a syphilis infection after another method tests

positive for the syphilis bacteria

Yaws is a long-term (chronic) infection that mainly affects the skin, bones, and joints.Symptoms: About 2 - 4 weeks after infection, the person develops a sore called a "mother yaw"where bacteria entered the skin

Pinta is a human skin disease endemic to Mexico, Central America, and South America. It iscaused by infection with a spirochete, Treponema pallidum

Bejel form of endemic (nonvenereal) syphilis occurring among Bedouin tribes and elsewhere inthe Middle East

Mycoplasma sp refers to a genus of bacteria that lack a cell wall. Without a cell wall, they areunaffected by many common antibiotics such as penicillin

Ureaplasma sp is a genus ofbacteriabelonging to the familyMycoplasmataceae. As the name imples,ureaplasma is urease positive

Mycobacterium sp is agenusofActinobacteria, given its own family, the Mycobacteriaceae. The genusincludespathogensknown to cause serious diseases in mammals, includingtuberculosis

(Mycobacterium tuberculosis) andleprosy(Mycobacterium leprae

Acid fastness is a physical property of certain bacteria, specifically their resistance to

decolorization by acids during staining procedures

Nontuberculosis mycobacteria (NTM) NTM lung disease is a devastating chronic illness. NTMbacteria exist naturally in our environment

Kinyoun stain The Kinyoun stain is a method of staining acid-fast microorganisms, specificallymycobacterium
http://en.wikipedia.org/wiki/Bacteriahttp://en.wikipedia.org/wiki/Bacteriahttp://en.wikipedia.org/wiki/Bacteriahttp://en.wikipedia.org/wiki/Mycoplasmataceaehttp://en.wikipedia.org/wiki/Mycoplasmataceaehttp://en.wikipedia.org/wiki/Mycoplasmataceaehttp://en.wikipedia.org/wiki/Genushttp://en.wikipedia.org/wiki/Genushttp://en.wikipedia.org/wiki/Genushttp://en.wikipedia.org/wiki/Actinobacteriahttp://en.wikipedia.org/wiki/Actinobacteriahttp://en.wikipedia.org/wiki/Actinobacteriahttp://en.wikipedia.org/wiki/Pathogenhttp://en.wikipedia.org/wiki/Pathogenhttp://en.wikipedia.org/wiki/Pathogenhttp://en.wikipedia.org/wiki/Tuberculosishttp://en.wikipedia.org/wiki/Tuberculosishttp://en.wikipedia.org/wiki/Tuberculosishttp://en.wikipedia.org/wiki/Mycobacterium_tuberculosishttp://en.wikipedia.org/wiki/Mycobacterium_tuberculosishttp://en.wikipedia.org/wiki/Mycobacterium_tuberculosishttp://en.wikipedia.org/wiki/Leprosyhttp://en.wikipedia.org/wiki/Leprosyhttp://en.wikipedia.org/wiki/Leprosyhttp://en.wikipedia.org/wiki/Mycobacterium_lepraehttp://en.wikipedia.org/wiki/Mycobacterium_lepraehttp://en.wikipedia.org/wiki/Mycobacterium_lepraehttp://en.wikipedia.org/wiki/Mycobacterium_lepraehttp://en.wikipedia.org/wiki/Leprosyhttp://en.wikipedia.org/wiki/Mycobacterium_tuberculosishttp://en.wikipedia.org/wiki/Tuberculosishttp://en.wikipedia.org/wiki/Pathogenhttp://en.wikipedia.org/wiki/Actinobacteriahttp://en.wikipedia.org/wiki/Genushttp://en.wikipedia.org/wiki/Mycoplasmataceaehttp://en.wikipedia.org/wiki/Bacteria


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Fluorochrome stains a fluorescent dye used to stain the cell walls of fungi and bacteria. Theorganisms then fluoresce when exposed to UV light rays

Lowenstein-Jensen The LowensteinJensen medium, more commonly known as LJ medium,is a growth medium specially used for culture of Mycobacterium

Middlebrook 7H10 and 7H11 agars Middlebrook 7H11//7H11 Selective Agar bi-plates provide two

media, one moderately selective and one highly selective, for the recovery of mycobacteria from

specimens containing mixed flora. The Middlebrook 7H11 Agar is contained in the sector differentiated

by the Roman numeral "I" molded into the bottom of the sector. The 7H11 Selective Agar is contained

in the sector marked "II."

Documents

Katherine Taylor Microbiology Definitions 2012