Skin Flashcards
Roles of Integumentary System(6)
- provides barrier
- regulates body temperature
- synthesize Vitamin D
- sensory perception
- excretion of metabolic wastes
- wound repair
ALSO: identity, non-verbal communication?!?
Layers of the skin (3)
- Epidermis (No blood vessels)
- —– a. stratum corneum
- ——b. stratum germinativum - Dermis (blood vessels, connective tissue, sebaceous glands, hair follicles)
- Subcutaneous
Pigments (4)
- Melanin
- carotene
- Oxyhemeglobin
- Deoxyhemeglobin
Jaundice
deposition of (too much) bilirubin
Yellowish color
Easiest to see in sclera, nails, palms and soles of feet
Cyanosis
Bluish Color
lack of oxygen (central)
lack of blood flow ( peripheral)
Vellus
Short fine baby fuzz hair, inconspicuous, unpigmented
Terminal hair
Coarser, thicker, conspicuous, pigmented
Sebaceous Glands
Produce sebum, lubricates skin and hair, reduces water loss through skin
Sweat glands ( 2 Types)
eccrine- widely distributed, open to surface, help control body temp
Apocrine- in axillary or genital areas, stimulated by emotional stress- Body odor
Health Hx Questions
- History of skin disease
- Diabetes or peripheral vascular disease?
- allergies or food sensitivities
- Burns or sun burns
- Corticosteroids/medications
- Family Hx
erythemia
Redness of skin
ecchymosis
Bruising of the skin
caratonemia
Orange tint form too much carrots
Vitiligo
loss of skin color
Mobility vs. Turgor
Mobility- the ease at which it picks up
Turgor- speed with which it returns into place
Edema
Localized- Injury
Systemic- puffy tight skin
Pitting- Interstitial fluid mobile
Pitting Edema Scale
1+ - 2mm
2+- 4mm
3+- 6mm
4+ - 8mm
What Vitamins/Minerals needed for Collagen formation
Vitamin C
Zinc
Copper
Non-pitting edema
Local infection or trauma ; Brawny edema
Macules
Sm flat mole < 1 cm
Papules
Raise mole <1 cm
Patches
Flat lesion, discoloration, > 1 cm,
Plaques
elevated, superficial, solid lesion, > 1 cm in diameter.
Nodules
Small Solid Tumor
Wheals
edemas of the skin, raised red, that appear suddenly - often related to allergic reactions
uticaria
Hives
Vesicles
filled with serous fluid, superficial blisters < 1/2 cm
cysts
semi solid, or liquid, goes into dermis
Bullas
filled with serous fluid, superficial blisters > 1/2 cm