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Lecture 1 (Structures of the Skin (Prevents water loss, regulates body…
Lecture 1
Structures of the Skin
Prevents water loss
regulates body temperature
helps make vitamin D
involved in sensory phenomena
barriers against microbial invaders
Surface of the Skin
inhospitable environment
sebum
skin is sloughed off
Hypodermis
beneath the dermis
stored fat
subcutaneous
Microbiome of the Skin
normal residents of the body
yeast and bacteria
grow in small clusters
Malassezia
member of the microbiome
rarely pathogenic
lipophilic yeast
Two Main Layers
Dermis
tough leathery structure
provides strength and flexibility
Epidermis
bloodless
4-5 layers
basal, epidermal, and dendritic cells
Diptheroid
Gram-positive
causes acne