18 Questions
What is the main function of the dermal papillae in the skin?
Contain capillary loops that nourish the epidermis
Which type of receptors are found in the reticular layer of the dermis?
Touch receptors
What is the main component of the reticular layer of the dermis?
Collagen and reticular fibers
Which structure in the dermis is responsible for sensitivity to vibration and pressure?
Pacinian corpuscles
What is the function of Sebaceous glands in the skin?
Produce sebum to keep the skin soft and kill bacteria
Which glands are numerous in the face but not present in palms and soles?
Sebaceous glands
Which layer of the skin is composed of collagen and elastic fibers for strength and flexibility?
Stratum basale
Which layer of the skin contains abundant touch receptors?
Dermis/corium
What is the main function of the stratum basale?
Actively dividing cells to replace shed-off cells
Which layer of the skin is defined as both the stratum basale and stratum spinosum as a unit?
Malpighian layer
Which type of cell produces the tough fibrous protein keratin in the skin?
Keratinocytes
What is the main function of Langerhans cells in the skin?
Macrophage-like immune cells
Which layer of the skin is the most superficial?
Epidermis
Which layer of the skin is avascular?
Epidermis
Which layer of the skin is composed of stratified epithelium?
Epidermis
Which layer of the skin is associated with vitamin D synthesis?
Epidermis
Which layer of the skin is responsible for prevention of excessive body fluid loss?
Epidermis
Where do the epidermal cells get nourished from?
Blood vessels in dermis
Learn about the layers of the skin, including the papillary and reticular layers in the dermis, as well as the epidermis and hypodermis. Understand the functions and composition of each layer.
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