5 Questions
Which layer of the skin is avascular but has sensory nerve endings?
Epidermis
What is the main function of the dermis?
Contains blood vessels, lymph vessels, and sensory nerve endings
Which part of the body has a generally thicker epidermis for protection against friction and tear?
Palms of the hand & soles of the feet
What is the function of the lines of cleavage (Langer's lines) in the skin?
Determine the direction for an incision during surgery
Which layer of the skin is formed of connective tissue and contains blood vessels and sensory nerve endings?
Dermis
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.
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.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
