Keratinocytes - The major components of the epidermis that occupies about 95% of the epidermis, Langerhan - form part of the immune system that help with immune responses to external antigens that affect the skin - _____________ cells, Melanocytes - produces a brown pigment designed to protect the skin from sun exposure, Merkel  - Act as mechanoreceptors to help with the sensation of touch - ___________ cells., The Stratum Corneum - The outer most layer of the epidermis that contains 25-30 layers of dead keratinocytesIt also contains keratin that provides a waterproof layer for the skin., The Stratum Lucidum - A thin layer of 2-3 rows of dead flat keratinocytes that help reduce any fluid loss through the skin, The Stratum Granulosum - This layer of the epidermis contains keratinocytes that are very close to dying due to losing their nuclei. It is particularly important to slow down water loss across the epidermis and prevent entry of pathogens, The Stratum Spinosum - This layer is responsible for providing integrity, flexibility and strength to the skin, The Stratum Basale - The deepest layer of the epidermis, and it is where new keratinocytes are regenerated through mitosis,

Epidermis Activity

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