The Integumentary System Flashcards
What are the layers of the skin
Epidermis- outer layer
Dermis- deeper layer
Hypodermis- the subcutaneous layer
What are squames
Dead skin cells
What does the dermis contain
Aterioles and capillaries
Lymph vessels
Sensory nerve endings
Sweat glands and their ducts
Hairs
Sebaceous glands
What are the 2 types of sweat glands
Eccrine- all over the body, clear fluid, doesn’t smell
Apocrine- armpits and groin area, active from puberty, more viscous fluid and an odour
What are the functions of the skin
Protection
Formation of vitamin d
Cutaneous sensation
Thermoregulation
How does atopic eczema happen
when the stratum corneal layer (dead cells filled with keratin) breaks down
What causes atopic eczema
No known evidence thought to be genetic
What does atopic eczema lead to
Dysfunctional skin barrier (skin isnt waterproof anymore causing infections to get in) and immune system dysregulation
What is the most common eczema
Atopic eczema
Is atopic eczema chronic or acute
Chronic condition
What are physical impacts on the body from atopic eczema
Oozing and crusting blisters
Dry skin
Ear discharge or bleeding
Raw skin from itching
Skin colour changes (less colour than normal)
Skin redness and inflammation
Thickened areas of skin
Treatments for Atopic eczema
Emollients (moisturisers)
Topical steroids
Non-sedating antihistamines
Sedating antihistamines
Oral corticosteroids
If weeping antibiotic treatment
What is filaggrin
an essential protein for the correct formation and function of the skin barrier
