dermis
epidermis
hypodermis
keratinocytes
melanocytes
dendritic cells
tactile cells
thick skin stratuliuoind
layers of the dermis
papillary and reticualr dermis
friction ridges
clevage tension lines
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stretch marks
blisters
flexture lines
subcutaneous tissue
skin colour
melanin
melanosome
carotene
hemoglobin
accessory structures
hair
hair struture