Chapter 21 - Microbial Diseases of the Skin & Eyes...

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Epidermis- wear surface of the body; the outer layers form a water-proof barrier to most microbes. The stratum corneum , the surface layer of the epidermis is comprised of dead cells filled with keratin and elidin. The germ layer of the skin is the dermis , which has a blood supply, lymph vessels, nerves and connective tissue. The hair follicles penetrate the skin and sudoriferous and sebaceous glands release secretions onto the skin surface via pores. Normal Microbiota Staphlococci Propionibacterium acnes Streptococci Corynebacterium xerosis Micrococci Candida albicans Microbial Diseases of the Skin Staphyloccal Skin Infections Staphlococcus aureus - coagulase positive, mannitol fermenting staphlococci. Produces enterotoxins, leukocidins and exfoliative toxin, which causes scalded skin syndrome. Common Staphlococcal Skin Infections: pimples, furuncles, carbuncles, surgical wound infections, Impetigo of the newborn Streptococcal Skin Infections Streptococcus pyogenes- has the M protein, erthrogenic toxins, DNAses, streptokinases and Hyaluronidase, exotoxin A
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This note was uploaded on 05/05/2008 for the course BIOL 357 taught by Professor Kalia during the Spring '08 term at University of Louisville.

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Chapter 21 - Microbial Diseases of the Skin & Eyes...

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