N2/N3/B4 Flashcards
What do langerhan cells do?
Move from epidermis to the dermis and enter lymph system
What is a langerhan cell?
Absorb foreign bodies that enter the skin
What is the lymph system?
Body’s waste transport system
What 5 layers make up the epidermis?
Stratum corneum Stratum licidium Stratum granulosum Stratum spinosum Stratum germanium
What is the top layer of the skin?
Epidermis
What is the middle layer of the skin?
Dermis
What is a melanocyte cell
The cells that produce the skin pigment melanin which contributes to our skin colour
What stimulates melanocyte cells to produce menalin?
Ultra violet rays
What is the bottom layer of the skin?
Subcutaneous (fatty layer)
Which layer of skin is known also as true skin?
Dermis
What does stratum mean?
Latin for layer
What are the 7 functions of the skin?
Secretions Heat regulation Absorption Protection Excretions Vitamin D production
Uv rays cause the skin..?
Burning (UVB)
Aging (UVA)
What would you recommended for uv rays?
SPF/ sunscreen
What are free radicles?
Molecules that are harmful to the body.
What do free radicles do?
Breakdown proteins of the skin causing premature ageing.
What would you recommend for protection against free radicles?
Moisturise day & night
AHA stands for?
Alpha Hydroxy Acids
What can stress cause?
Skin disorders
Tension
Dark circles
Slow circulation
What would you recommend for stress?
Facial treatment - reduce & relieve stress
How does smoking impact the skin?
Slows cell respiration (restricts nutrients cells receive)
Removal waste products less effective
Produces chemical destroys vitamin c this causes?
Premature ageing, as it interferes with the production of collagen
Caffeine is bad for the skin if?
Consumed in large quantities (4+) blocking absorption of nutrients
Caffeine is found in?
Tea coffee, cocoa and fizzy drinks