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17 Cards in this Set

  • Front
  • Back
A) Rigid, thik-walled cells
1. Free-living ( extracellular bacteria)
2. Non-free-living (obligate intracellular parasites)
1. Free-living (extracellular bacteria)
a) Gram-positive
b) Gram-negative
c) Acid-fast
Gram-positive
a) Cocci
b) Spore-forming-rods
c) Non-spore-forming rods
Cocci
Streptococcus
Staphylococcus
Spore a forming
•Aerobic - Bacillus
•Anaerobic -Closdtridium
Non-spore-forming rods
• Filamentous:
- Actinomyces
- Nocardia
• Non-filamentous:
- Corneybacterium
- Listeria
Gram-negative
a) Cocci - Neisseria
b) Rods
Rods
a) Facultative
b) Aerobic
c) Anaerobic
a) Facultative
• Straight
• Curved
Straight
• Respiratory organisms:
- Haemophilus
- Bordetella
- Legionella
• Zoonotic organisms:
- Brucella
- Francisella
- Pasteurella
• Enteric & related organisms:
- Escherichia
- Salmonella
- Shigella
Curved
• Camphylobactor
• Helicobactor
• Vibrio
b) Aerobic
• Pseudomonas
c) Anaerobic
• Bacteroids
Acid-fast
Mycobacterium
B. Non-free-living
• Rickettsia
• Chalmydia
Flexible , thin-walled cells ( spirochetes)
• Treponema
• Borrelia
• Leptoapira
Wall-less cells
Mycoplasma