5- Skin; Structure And Function Flashcards
What are the 3 layers of the skin?
Epidermis
Dermis
Hypodermics
What are the functions of the skin?
Barrier protection against:
- dehydration
- infection
- Injury/abrasion
- Solar radiation
Thermoregulation
Sensation
Repair
Vitamin D production
What is integument?
What are the functions of the epidermis?
What are keratinocytes and where are they found?
How many layers is the epidermis composed of? What are these layers?
What is the stratum lucidium and where is it found?
Describe the structure of the basal layer of the epidermis?
Describe the structure of the spiny layer of the epidermis?
Describe the structure of the granular layer of the epidermis?
Describe the structure of the cornified layer of the epidermis?
Where does keratinisation occur?
Name some other epidermal cell types and what do they function as?
Describe the structure of melanocytes
What are the functions of melanocytes?
What is the function of keratinocytes?
Compare the level of UV protection between white people and people of colour
What are Langerhans cells?
What is the structure and function of langerhans cells?
What is vitamin D3 and where is produced?
What is required for the production of vitamin D3?
Describe the production of vitamin D3 in the skin?
Describe the structure of the dermis
What is the principle cell of the dermis?
What are the 2 layers of the dermis?
Describe the function of the dermis
Describe the structure of the dermal- epidermal border
What is the effect of UV on the skin?
What are the functions of the hypodermis?
Describe the structure of the hypodermis
Where is hair found?
Describe the structure of hair
What are the 2 cells types that hair contains and what do they functions as?
Name the 3 skin glands
What is the function of the eccrine sweat gland?
What is the function of the apocrine sweat gland?
What is the function of the sebaceous gland?
Describe the structure of the nail
In which direction does the nail grow in?
Describe the structure of the nail matrix
What are the 2 types of sensory receptors and give examples?