10 Questions
Which layer of the epidermis is responsible for providing a protective barrier against water loss and external pathogens?
Stratum corneum
What is the primary function of the stratum granulosum layer of the epidermis?
Keratin production and deposition
Which cell type is responsible for the continuous renewal of the epidermis?
Keratinocytes
What is the role of the stratum lucidum in the epidermis?
Transitioning keratinocytes to the stratum corneum
Which layer of the epidermis is responsible for the production and storage of keratohyalin granules?
Stratum granulosum
Which layer of the epidermis is the outermost layer and primarily composed of dead, keratinized cells?
Stratum corneum
In which layer of the epidermis do keratinocytes accumulate keratohyalin granules and begin the process of cornification?
Stratum granulosum
Which layer of the epidermis is present only in thick skin, such as on the palms and soles, and appears as a clear layer?
Stratum lucidum
Which of the following is NOT a function of keratinocytes in the epidermis?
Synthesizing melanin
Which layer of the epidermis is the deepest layer, containing stem cells that continuously divide to replenish the upper layers?
Stratum basale
Learn about the structure and characteristics of the human skin, including its classification based on epidermal thickness and the layers of thick skin. Discover the difference between thick and thin skin.
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