Structure of Skin Layers
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Structure of Skin Layers

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What is the main function of the dermal papillae in the skin?

  • Act as the receptive site for tattoos
  • Secrete sebum to keep the skin soft
  • Produce sweat and oil glands
  • Contain capillary loops that nourish the epidermis (correct)

    • Which type of receptors are found in the reticular layer of the dermis?

  • Heat receptors
  • Muscle receptors
  • Pain receptors
  • Touch receptors (correct)

    • What is the main component of the reticular layer of the dermis?

  • Hair follicles and arrector pili muscles
  • Blood vessels and nerve fibers
  • Collagen and reticular fibers (correct)
  • Sebum and sweat glands

    • Which structure in the dermis is responsible for sensitivity to vibration and pressure?

    <p>Pacinian corpuscles</p> Signup and view all the answers

    What is the function of Sebaceous glands in the skin?

    <p>Produce sebum to keep the skin soft and kill bacteria</p> Signup and view all the answers

    Which glands are numerous in the face but not present in palms and soles?

    <p>Sebaceous glands</p> Signup and view all the answers

    Which layer of the skin is composed of collagen and elastic fibers for strength and flexibility?

    <p>Stratum basale</p> Signup and view all the answers

    Which layer of the skin contains abundant touch receptors?

    <p>Dermis/corium</p> Signup and view all the answers

    What is the main function of the stratum basale?

    <p>Actively dividing cells to replace shed-off cells</p> Signup and view all the answers

    Which layer of the skin is defined as both the stratum basale and stratum spinosum as a unit?

    <p>Malpighian layer</p> Signup and view all the answers

    Which type of cell produces the tough fibrous protein keratin in the skin?

    <p>Keratinocytes</p> Signup and view all the answers

    What is the main function of Langerhans cells in the skin?

    <p>Macrophage-like immune cells</p> Signup and view all the answers

    Which layer of the skin is the most superficial?

    <p>Epidermis</p> Signup and view all the answers

    Which layer of the skin is avascular?

    <p>Epidermis</p> Signup and view all the answers

    Which layer of the skin is composed of stratified epithelium?

    <p>Epidermis</p> Signup and view all the answers

    Which layer of the skin is associated with vitamin D synthesis?

    <p>Epidermis</p> Signup and view all the answers

    Which layer of the skin is responsible for prevention of excessive body fluid loss?

    <p>Epidermis</p> Signup and view all the answers

    Where do the epidermal cells get nourished from?

    <p>Blood vessels in dermis</p> Signup and view all the answers

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