MICR 4010 Study Guide - Gram-Positive Bacteria, Malnutrition, Neisseria

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Each gram of feces contains ~10^8 facultative anaerobes and 1011 obligate anaerobes. There are more bugs in your gut than people on the planet. Babies don"t have many associated microbes but they quickly develop a microbiota, and everyone has a very specific microbiota. Arms and legs are like deserts for microbiota, because they"re very dry. Head: many sebaceous and sudoriferous glands -> high population density. Axillae: high moisture, high temperature, high ph -> high microbial density. Perineum: high moisture, high temperature -> high microbial density. Toe webs: high moisture, high temperature -> high microbial density. Arms and legs: few sebaceous glands, no sudoriferous glands, relatively dry low microbial density. Hands: no sebaceous glands, exposed area, low water content -> low microbial density. 7. Lungs are not sterile, and the respiratory tract has many opportunist pathogens. Many residents of the rt include: viridans spreptococci, strep. Droplets are a very effective way of spread diseases.