Skin Bacteria Flashcards
major function of skin
body’s physical barrier to the outside world
flora
skin microbiome or microbiota
mutualistic microorganism
offer a benefit to the host
mutualistic microorganism role in the skin
T-Cells developing immunity so it can react against sever strain of colonizing organisms
commensals organisms
not harmful to the host
moist areas on the body
- axilla
- perineal area
- b/w toes
dry body part
legs
oily body parts
nose and face
when does colonization begin
immediately after birth
does the delivery type impact when colonization begins
no it is the same regardless of C section or vaginal birth
where is bacteria colonization present in adults
on normal intact skin
the amount of bacteria colonization on normal intact skin
10^12
1000 species
why does bacteria number and types have little change on the skin
the skin has an acid mantle with a pH < 5
outer layer of skin is constantly sheding
what keeps the resident bacterial flora attached to the skin
pH 4-4.5
what promotes the dispersal from the skin
pH 8-9
