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Chapter 26
Pathogens-Virulence
25
Microbiology
Professional
05/10/2012

Additional Microbiology Flashcards

 


 

Cards

Term
Staphyloccocus aureus (All)
Definition
Mucopeptide
Coagulase
Term
S. aureus
Definition
CASEMELT

(Capsule, Protein A, Staphylokinase, Enterotoxins, Membrane damaging toxins, Epidermolytic toxin, Leukocidin, Toxic Shock toxin)
Term
S. aureus (skin)
Definition
1) Exfoliation toxin: destroys intercellular connections
2) TSST1 superantigen: Systemic shock
Term
Streptococcus pyogenes
Definition
1) M and T proteins: inhibit opsonization
2) Lipoteichoic acid and F protein: bind to epithelium
3) Hyaluronidase: helps organism spread
4) Pyrogenic exotoxin: SUPERTOXIN
5) SPEA, B, C: cause rash of scarlet fever
Pyrogenic
Term
Clostridium tetani
Definition
1) Tetanospasm (neurotoxin)
Term
Clostridium perfringens
Definition
1) Numerous toxins: impairs blood supply and maintains anaerobic conditions
2) Tissue-destroying enzymes
Term
Mycobacterium leprae
Definition
1) Intracellular
2) Slow development that leads to chronic immune reaction
Term
Candida (dimorphic fungus)
Definition
1) Invasion: all major organisms when disseminated
Term
Sporothrix schenckii (dimorphic fungus)
Definition
1) Ulcerations or abscess formation in the lymphatics
Term
Blastomyces dermatitides (dimorphic fungus)
Definition
1) Fungal infection in lungs: may be confused with TB
2) Abscesses
Term
Coccidioides immitis (dimorphic fungus)
Definition
1) Southwest USA, Mexico, S. America
Term
Leishmania (fungal)
Definition
1) Flagella
2) Intracellular (within macrophages)
3) Localized cutaneous ulcers
4) Invasion of mucosal tissues in nose and mouth
Term
Schistosome (blood flukes)
Definition
1) Lay eggs in the tissues
2) Cause granulomas
Term
Necator americanus (helminth)

Ancylostoma duodenale (helminth)
Definition
1) Blood sucking intestinal parasites
Term
Poxvirus
Definition
1) Virus-rich vesicles on the skin make it easy to transfer
Term
Herpes Simplex 1 + 2
Definition
1) Latency period in basal ganglia with reactivation
2) Intracellular travel (axonal travel)
Term
VZV
Definition
1) Latency period in basal ganglia with reactivation
2) Intracellular travel (axonal travel)
Term
HHV-6 + 7
Definition
1) Live in T-cells and avoid immune system
Term
HHV-8
Definition
1) Infects endothelial cells in Kaposi's sarcoma
Term
B19
Definition
1) Infects hemopoietic cells in the bone marrow
2) Grows in mitotically active cells
Term
Rubella
Definition
1) Mononuclear cells are infected
Term
Trypanosoma cruzi (fungi)
Definition
1) Flagellates
Term
Taenia solium (Helminth)
(Tapeworms)
Definition
1) Suckers and hooks
2) Proglottids (egg segments that are passed in the feces)
Term
Echinococcus granulosus
Definition
1) Cyst fluid causes anaphylaxis
Term
Trichinella spiralis (Roundworm: Helminth)
Definition
1) Causes diarrhea that helps spread the eggs
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