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Questions and Answers
Which layer of the skin is avascular but has sensory nerve endings?
Which layer of the skin is avascular but has sensory nerve endings?
- Stratum corneum
- Dermis
- Hypodermis
- Epidermis (correct)
What is the main function of the dermis?
What is the main function of the dermis?
- Contains blood vessels, lymph vessels, and sensory nerve endings (correct)
- Formation of vitamin D
- Regulation of body temperature
- Containment of flat cells filled with keratin
Which part of the body has a generally thicker epidermis for protection against friction and tear?
Which part of the body has a generally thicker epidermis for protection against friction and tear?
- Palms of the hand & soles of the feet (correct)
- Abdomen
- Back
- Face
What is the function of the lines of cleavage (Langer's lines) in the skin?
What is the function of the lines of cleavage (Langer's lines) in the skin?
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Which layer of the skin is formed of connective tissue and contains blood vessels and sensory nerve endings?
Which layer of the skin is formed of connective tissue and contains blood vessels and sensory nerve endings?
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Study Notes
Skin Structure and Functions
- The epidermis is the layer of the skin that is avascular but has sensory nerve endings.
Dermis Functions
- The main function of the dermis is to provide a site for hair growth and to regulate body temperature.
Adaptation to Friction and Tear
- The palms and soles of the feet typically have a thicker epidermis for protection against friction and tear.
Langer's Lines
- The lines of cleavage (Langer's lines) in the skin help to guide surgical incisions and minimize scarring.
Dermis Composition
- The dermis is formed of connective tissue and contains blood vessels and sensory nerve endings.
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Description
Test your knowledge of the skin's functions and structure with this quiz. Explore the roles of the skin in protection, temperature regulation, and sensation, as well as its role in vitamin D formation and waste product excretion.
