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Specialized Cells of the Epidermis . 2. Melanocytes : Found deep in the epidermis, as melanin is made it accumulates in granules called melanosomes . Exposure to sunlight can also increase the amount of melanin produced. Skin color . 3 pigments Melanin Carotene Hemoglobin .
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2. Melanocytes: Found deep in the epidermis, as melanin is made it accumulates in granules called melanosomes. • Exposure to sunlight can also increase the amount of melanin produced.
Skin color • 3 pigments • Melanin • Carotene • Hemoglobin
Keratinocytes • Most abundant. • Pushed up by the building of new cells. At the surface they are dead. • You lose millions per day and produce a new epidermis every 25-45 days. • In body areas with lots of friction and use epidermis production is faster.
Langerhans’ cells • Star shaped phagocytes • Activate immune system!
Merkel Cells • Touch receptors! • Where the dermis meets the epidermis