5 Questions
Which layer of the epidermis is characterized by flat, dead, scale-like cells filled with keratin?
Stratum corneum
Which skin lesion is a raised area less than 1 cm in diameter?
Papule
Which layer of the epidermis is responsible for keratin synthesis?
Stratum spinosum
Which skin lesion is a raised area greater than 1 cm in diameter?
Plaque
Which skin lesion involves a discontinuity of the skin with complete loss of the epidermis?
Ulcer
Study Notes
Epidermis Structure
- Stratum corneum, the outermost layer, is characterized by flat, dead, scale-like cells filled with keratin.
Skin Lesions
- Papule is a raised area less than 1 cm in diameter.
- Stratum spinosum, a layer of the epidermis, is responsible for keratin synthesis.
- Plaque is a raised area greater than 1 cm in diameter.
- Ulcer is a skin lesion that involves a discontinuity of the skin with complete loss of the epidermis.
Test your knowledge of dermatology with this quiz on the epidermis layers. Identify and describe the five layers of the epidermis and their functions. See how well you grasp the structure and characteristics of the outermost layer of the skin.
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