Structure and Function of Skin IV Flashcards
1
Q
Give some functions of the skin
A
Barrier Metabolism Thermoregulation Immune defence Communication Sensory function
2
Q
Which substances does the skin metabolise?
A
Vitamin D
Thyroid hormone
3
Q
Where is the vitamin D metabolised by the skin stored and in what form?
A
Liver as calcifediol
4
Q
What thyroid hormone metabolism takes place (mostly) in the skin?
A
Thyroxine (T4) is metabolised to triodothyronine (T3)
5
Q
What occurs in frostbite?
A
Peripheral blood vessels are closed off causing gangrene
6
Q
What immune cells are involved in the skin’s immune defence?
A
Langerhans’
T cells
7
Q
Give examples of some immune skin conditions
A
Leprosy (Hansen’s disease)
Scabies
Eczema herpeticum
Discoid lupus erythematosus
