Question | Answer |
Define skin | largest organ of the body |
important functions | regulates sensations
protects against sun
regulates body temperature
prevents dehydration
resviour for food and water
synthesizes Vitamin D |
Describe first degree burns | erythema hyperesthesia
superfical burns
only injures the epidermis |
describe immunotherapy | Biotherapy
a newer treatment that stimulates the body's own immune defenses to fight tumour cells |
Describe in situ and invasive | insitu confined to the original site
invasive penetrate the surrounding tissue |
Describe sebaceous glands | secretes sebum
causes acne
present over entire body except soles and palms |
Describe second degree burns | partial thickness burns
damage epidermis and part of dermis
vesicle or buille form |
Describe the subcutaneous layer | hypodermis
binds dermis to underlying structures
composed of connective and adipose tissue
stores fat, insulates and cushions body regulates body temperature |
Describe third degree burns | full thickness burns
epidermis and dermis are destroyed
waxy and charred |
How is hair colour determined | the amount of pigment produced by epidermal melanocytes |
What are two most important sublayers of the epidermis and where are they located | stratum corneum (outer)
basal layer (inner) |
What do melanocytes produce and what is their functions | melanin
protects skin from ultraviolet radiation from the sun |
What happens to new skin cells as they move towards the stratum corneum | they die |
what is a dermatologist | the physion who specalizes in diagnosis and treatment of skin disease |
What is a pathologist | grade and stage tumours |
What is the most common type of skin cancer | basal cell carcinoma |