SDL Skin Flashcards
Name 4 stimuli which skin receives a sensory input from
Touch
Pressure
Temp
Noxious
How many general layers does skin compromise and what are these layers called?
2
An outer epidermis
An underlying dermis
What is the layer called immediately deep to the dermis?
Superficial Fascia
What is the main component of superficial fascia?
Loose connective tissue
What other names does the superficial fascia go by?
Hypodermis or Subcutis
Which layer is the base of a hair follicle found?
Subcutis (hypodermis / superficial fascia)
Which layer holds arrector pilli and sebaceous glands?
The dermis
What are the two classifications of skin?
Thin or Thick
Which factor governs whether the skin is thin or thick?
The thickness of the epidermis
What is the key difference between thick and think skin?
Thin skin has hair follicles and thick skin is glabrous
Where is thick skin located?
Places where there is a lot of abrasion
What type of epithelium makes up the epidermis?
Keratanized, stratified, squamous epithelium
How many layers comprise thick sin epidermis? Name them from deep to superficial
5
Stratum basale spinosum granulosum lucidum Stratum Carneum
Which of the 5 layers found in thick skin epidermis is absent in thin skin epidermis?
Stratum Lucidum
What are the three non epithelial cells in the epidermis and what are their roles?
Melanocytes - pigment
Langerhans - immunity
Merkel cells - mechanorecpetors
