5 Questions
Which layer of the skin is avascular and regenerates itself every 4 to 6 weeks?
Epidermis
Which layer of the epidermis consists of dead keratinocyte cells and easily sheds off?
Stratum corneum
Which layer of the epidermis contains Langerhans cells in addition to keratinocytes?
Stratum granulosum
Where is the fifth layer, the stratum lucidum, found in the skin?
Palms and soles
What is the primary cell type in the epidermis that produces keratin?
Keratinocytes
Study Notes
Epidermis Layers
- The stratum corneum is avascular and regenerates itself every 4 to 6 weeks.
- The stratum corneum consists of dead keratinocyte cells and easily sheds off.
- The stratum spinosum contains Langerhans cells in addition to keratinocytes.
- The stratum lucidum, the fifth layer, is found in the skin on the palms of the hands and soles of the feet.
- Keratinocytes are the primary cell type in the epidermis that produce keratin.
Test your knowledge of human skin anatomy and physiology with this quiz. Learn about the epidermis, dermis, and the basement membrane zone (BMZ). Explore the layers and functions of the skin, including the subcutaneous tissue.
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