Defenses on the Skin and Mucous Membranes

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Author:
mame727
ID:
243834
Filename:
Defenses on the Skin and Mucous Membranes
Updated:
2013-10-29 23:54:35
Tags:
Chemical molecular
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Description:
Defenses on the Skin and mucous Membranes Chemical and Molecular
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  1. Antimicrobial Peptides (constitutive and induced)
    Kill many microorganisms
  2. Defensisns (skin, intestine, mucous membranes)
    Kill bacteria and fungi
  3. Phopholipases (intestinal paneth cells and tears)
    Kill bacteria
  4. Dermcidin (sweat glands)
    Kills bacteia and fungi
  5. Ribonucleases (on the skin)
    kill bacteria and fungi
  6. Low pH in the stomach
    Kills many bacteria, fungi, or parasites, and inactivates many viruses
  7. Fatty acids (from sebaceous glands of the skin)
    Inhibit bacterial growth
  8. Enzymes:
    Lysozyme(in tears, sweat, slaiva, and serum)
    Amidase (in the skin and serum)
    Hydrolyses bacterial cell wall peptidoglycan
  9. Microbial Antagonism:
    Normal Microbiota bacteria and fungi
    • Compete for nutrients with potential pathogens
    • Produce antimicrobial factors (bacteriocins)

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