Scelta multipla
Which of the following describes thick skin?
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5. Integumentary System
The Epidermis: Layers
Scelta multipla
Which layer of the epidermis is the most superficial?
A
Stratum lucidum
B
Stratum corneum
C
Stratum granulosum
D
Stratum basale
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Understand the structure of the epidermis, which is the outermost layer of the skin, composed of several sub-layers.
Identify the layers of the epidermis from deepest to most superficial: Stratum basale, Stratum spinosum, Stratum granulosum, Stratum lucidum (only in thick skin), and Stratum corneum.
Recognize that the Stratum corneum is the outermost layer of the epidermis, providing a barrier to protect underlying tissues.
Note that the Stratum lucidum is only present in thick skin areas like the palms and soles, and is located just beneath the Stratum corneum.
Conclude that the most superficial layer of the epidermis is the Stratum corneum, which is responsible for the skin's barrier function and is composed of dead keratinized cells.
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