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32 Cards in this Set

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YELLOW SKIN
BLUE SKIN
RED SKIN
LIVER
CYANOSIS (O-Hgb)
metHgb.
Local Skin Issues
Pimples, warts, boils, abcesses
Systemic Skin Issues
Chickenpox
Measles
Hepatitis
Dermatology
Medical specialty in the treatment and diagnosis of the skin
Functions of the skin
Body Temp Regulation
Protection
Sensation
Synthesis of Vit D
Excretion (H2O, NaCl, sweat)
Immunity
THE LAYERS OF THE SKIN ARE:
Epidermis (outer/thinner layer)
Dermis (inner/deeper/thicker layer)
Subcutaneous (connect. tissue attanching skin to the underlying layers)
Epidermal Layers
Stratum Corneum outer/uppermost
Stratum Lucidum to
Stratum Granulosum
Stratum Spinosum inner/lowestmost
Stratum Basale layer
Stratum Cornium
Keratinized stratified squamous epithelium
KERATINOCYTES
EPIDERMAL CELLS THAT PRODUCE KERATIN
Keratinization
Movement of the lowest layer (basal) cells upward, pickin gup keratin (a protein) & dying at the surface as epidermal cells
STRATUM BASALE (STRATUM GERMINATIVUM)
KERATINOCYTES, DESMOSOMES
MERKEL CELLS
TOUCH/TACTILE SENSATION.
STARTUM BASALE
LANGERHANS CELLS
IMMUNE RESPONSE AND DAMAGED BY UV RADIATION
Skin Color due to:
1. Melanin
2. Carotene
3. Hemoglobin
MELANIN
PRODUCE MELANOCYTES
-GIVES SKIN COLOR & ABSORBS UV LIGHT RADIATION
-FORMED FROM AA TYROSINE
-SKIN DARKNESS DETM BY AMT OF MELANIN, PRODUCED BY THE MELANOCYTES; NOT THE NUMBER OF MELANOCYTES
-FRECKLES/LIVER SPOTS-PATCHS OF MELANIN
-TAN=AMNT & DRKNES OF MELANIN INCREASED DUE TO UV RADIATION
CAROTENE
YELLOW-ORANGE PIGMENT
-PRECURSOR OF VITAMIN A
-COMBINED W/ MELANIN GIVES YELLOW SKIN COLOR
HEMOGLOBIN
Hgb ABNORMALITIES CAN CAUSE A REDUTION ON O2 CARRYING CAPACITY OF THE BLOOD.
PATENT FETAL DISORDERS B/C OF CIRCULATING DE-O2 BLOO CAN CAUSE:
CYANOSIS - BLUE COLOR DUE TO DECREASE O2 CARRIED BY BLOOD
JAUNDICE
YELLOWING OF SKIN; LIVER DISORDER W/ BILIRUBIN BUILD UP IN THE BLOOD
ERYTHEMA
SKIN REDNESS FROM EXERCIS, BLUSHING, INJURY INFECTION, INFLAMMATION ALLERGIC RXN.
CALLUS
ABNORMAL THICKENING OF THIN OR THICK SKINAS A RESULT OF FRICTION, IRRITATION OR PRESSURE
KELOID
SCARRING FROM AN ABNORMAL GROWTH/GRANULATION OF TISSUE.
DERMIS
COLLAGEN + ELASTIC FIBERS
Elasticity & extensibility of the skin
pregnancy, obesity, tissue swelling
Striae
silvery-white lines from tears in the dermis from stretching (stretch marks)
DERMAL PAPILLAE
3/4TH FETAL MO. FINGERPRINT-PROJECTIONS CAUSE THE RIDGES IN THE EPIDERMIS
DERMIS SKIN RECEPTOR

- MEISSENER CORPUSCLE
IN DERMAL PAPILLAE
WHICH ARE NERVE ENDINGS ACTING AS A TOUCH RECEPTOR
DERMIS SKIN RECEPTOR

- PACINIAN CORPUSCLE
PRESSURE SENSITIVE NERVE ENDING IN THE SUBQ LAYER
DERMIS SKIN RECEPTOR

- PAIN AND TEMPERATURE
NERVE ENDING RECEPTORS IN THE UPPER AND MIDDLE DERMIS
dermis skin receptor

-Light Touch
nerve ending receptors are different from normal touch receptors
dermis skin receptor

-Vibratory
ner ending receptors are different and separate form other receptors
Lines of Cleavage
aka tension lines; collagen fiber direction;
Surgical repair & granulation