Unit 4a – Almost done!. Chapter 15: Microbial Mechanisms of Pathogenicity How microbes cause disease (figure 15.9)
Lab. No. 3. 1. Microscopical Appearance:(Gram’s Stain) Gram’s +ve Cocci Irregular ClustersChains or PairsTetrads Staphylococci MicrococciStreptococci.
Streptococci. Morphology and Identification Gram-positive cocci arranged in chains or pairs. Most group A, B, and C strains produce capsules. Most strains.
By Prof. Dr. Nadia Montasser Prof. Of Public Health & Preventive Medicine Mansoura Faculty Of Medicine.
Lecture # 3. Morphology: Gram positive cocci. In clusters Culture: Facultative anaerobes Incubation 37ºC x 24 hr.
Unit 4a – Almost done!
