Compare and contrast the GI tract, skin and respiratory tract with respect to microbial load.
Gastro Intestinal Tract |
Respiratory Tract |
Skin |
|
Organisms |
1.Stomach – Lactobacilli 2.Small Intestine – Enterococci 3.Large Intestine - Colon bacilli, Staphylococci, Enterococcus feacalis, Peptococcus |
1.Nostrils -Staphylococcus epidermidis, Corynebacteria, Staphylococcus aureus 2.Pharynx – Streptococci, Gram negative cocci |
Staphylococcu aureus, Staphylococcus epidermidis. Corynebacteria, Streptococci, Anerobes, Peptostreptococci, Yeast |
The composition of the flora varies based on the diet, age and culture |
Lower respiratory tract is free of microorganisms |
2 sqm of skin |
|
Meat eaters – High proteolytic bacteriodes and less coliforms Compared to vegeterians |
May be infected by pathogens like H.Influenzae and S.Pneumoniae due to damage of the epithelium |
To eliminate non-resident microorganism skin should maintain low pH, fatty acid and lysozyme |
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