Which layer of the epidermis is characterized by being found only in thick skin, such as the palms and soles?
Understand the Problem
The question asks us to identify the specific layer of the epidermis that is exclusively found in thick skin areas like the palms of the hands and soles of the feet. We need to know the characteristics of each listed layer to pick the right one.
Answer
Stratum lucidum
The layer of the epidermis found only in thick skin, such as the palms and soles, is the stratum lucidum.
Answer for screen readers
The layer of the epidermis found only in thick skin, such as the palms and soles, is the stratum lucidum.
More Information
The stratum lucidum is a thin, clear layer of dead skin cells in the epidermis named for its translucent appearance under a microscope. It is readily visible only in areas of thick skin, which are found on the palms of the hands and the soles of the feet.
Tips
A common mistake is confusing the stratum lucidum with other layers of the epidermis. Remember that the stratum lucidum is only present in thick skin.
Sources
- 5.1 Layers of the Skin – Anatomy & Physiology - open.oregonstate.education
- Layers of the Skin – Anatomy & Physiology - UH Pressbooks - pressbooks-dev.oer.hawaii.edu
- Stratum lucidum - Wikipedia - en.wikipedia.org
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