Microbial Disease of skin and eye Flashcards
What is the arrangement of Staphylococci?
Spherical, Gram Positive, Grape Clusters
What is the arrangement of streptococci?
Spherical, gram positive, chains
Where is staphylococci found?
Skin
Where is streptococci found?
Respiratory tract
Pathogenesis of Staphylococci?
Most species aren’t pathogens
pathogenesis of streptococci?
Causes many diseases
How do streptococci divide?
Division is in one linear direction
How do staphylococci divide?
Multiple directions
What is the causative agent for mild acne?
Comedal Acne
What is the causative agent for inflammatory acne?
Cutibacterium acnes
What causes the inflammatory response in acne?
Formation of fatty acids
Symptoms of acne
Neutrophils come to site, secret enzymes which cause damage?
Causative agent of smallpox
Variola Virus
Symptoms of small pox?
Lesions that become pustular
How is small pox transmitted?
Respiratory route; infecting internal organs and skin
symptoms of chicken pox?
vesicular for 3-4 days , vesicles fill with pus rupture and scab
how is chicken pox transmitted?
Respiratory route, localized in skin after 2 weeks
causative agent of chicken pox?
Varicella virus
causative agent for shingles?
Herpes Zoster virus
How does someone get shingles
When a latent virus becomes reactivated by stress or weak immune system
Symptoms of shingles?
Skin lesions are vesicles and form in distinctive areas (usually around waist)
