keeps most bacteria, viruses and water out
keeps most bacteria, viruses and water out
keeps most bacteria, viruses and water out
They are called corns.
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The epidermal layer. (below that is the acellular dermal layer)
papillary
It takes anywhere from 15 to 30 days for cells to migrate from the stratum germinativum to the stratum corneum.
stratum basale
Stratum Germinativum
The layer that contains the mitotic viable cells of the epidermis is the stratum basale (basal layer). This layer is responsible for constant cell renewal through mitotic division. Cells in this layer eventually differentiate and move upward through the epidermis to form the outer layers of the skin.
The ridges of the stratum germinativum are called dermal papillae. These structures help anchor the epidermis to the dermis and play a role in increasing surface area for nutrient exchange between the layers.