What are the histologic strata of the epidermis?

Updated: Apr 24, 2020
  • Author: Brian J Daley, MD, MBA, FACS, FCCP, CNSC; Chief Editor: Zubin J Panthaki, MD, CM, FACS, FRCSC  more...
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Answer

The epidermis consists of 5 histologic strata. From superficial to deep these layers are the (1) stratum corneum, (2) stratum lucidum, (3) stratum granulosum, (4) stratum spinosum, and (5) stratum germinativum. The keratinocyte, the preponderant epidermal cell, is generated in the stratum germinativum and eventually desquamates (sloughs) when it reaches the stratum corneum.


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