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32 Cards in this Set
- Front
- Back
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YELLOW SKIN
BLUE SKIN RED SKIN |
LIVER
CYANOSIS (O-Hgb) metHgb. |
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Local Skin Issues
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Pimples, warts, boils, abcesses
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Systemic Skin Issues
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Chickenpox
Measles Hepatitis |
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Dermatology
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Medical specialty in the treatment and diagnosis of the skin
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Functions of the skin
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Body Temp Regulation
Protection Sensation Synthesis of Vit D Excretion (H2O, NaCl, sweat) Immunity |
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THE LAYERS OF THE SKIN ARE:
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Epidermis (outer/thinner layer)
Dermis (inner/deeper/thicker layer) Subcutaneous (connect. tissue attanching skin to the underlying layers) |
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Epidermal Layers
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Stratum Corneum outer/uppermost
Stratum Lucidum to Stratum Granulosum Stratum Spinosum inner/lowestmost Stratum Basale layer |
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Stratum Cornium
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Keratinized stratified squamous epithelium
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KERATINOCYTES
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EPIDERMAL CELLS THAT PRODUCE KERATIN
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Keratinization
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Movement of the lowest layer (basal) cells upward, pickin gup keratin (a protein) & dying at the surface as epidermal cells
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STRATUM BASALE (STRATUM GERMINATIVUM)
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KERATINOCYTES, DESMOSOMES
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MERKEL CELLS
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TOUCH/TACTILE SENSATION.
STARTUM BASALE |
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LANGERHANS CELLS
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IMMUNE RESPONSE AND DAMAGED BY UV RADIATION
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Skin Color due to:
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1. Melanin
2. Carotene 3. Hemoglobin |
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MELANIN
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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 |
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CAROTENE
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YELLOW-ORANGE PIGMENT
-PRECURSOR OF VITAMIN A -COMBINED W/ MELANIN GIVES YELLOW SKIN COLOR |
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HEMOGLOBIN
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Hgb ABNORMALITIES CAN CAUSE A REDUTION ON O2 CARRYING CAPACITY OF THE BLOOD.
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PATENT FETAL DISORDERS B/C OF CIRCULATING DE-O2 BLOO CAN CAUSE:
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CYANOSIS - BLUE COLOR DUE TO DECREASE O2 CARRIED BY BLOOD
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JAUNDICE
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YELLOWING OF SKIN; LIVER DISORDER W/ BILIRUBIN BUILD UP IN THE BLOOD
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ERYTHEMA
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SKIN REDNESS FROM EXERCIS, BLUSHING, INJURY INFECTION, INFLAMMATION ALLERGIC RXN.
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CALLUS
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ABNORMAL THICKENING OF THIN OR THICK SKINAS A RESULT OF FRICTION, IRRITATION OR PRESSURE
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KELOID
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SCARRING FROM AN ABNORMAL GROWTH/GRANULATION OF TISSUE.
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DERMIS
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COLLAGEN + ELASTIC FIBERS
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Elasticity & extensibility of the skin
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pregnancy, obesity, tissue swelling
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Striae
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silvery-white lines from tears in the dermis from stretching (stretch marks)
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DERMAL PAPILLAE
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3/4TH FETAL MO. FINGERPRINT-PROJECTIONS CAUSE THE RIDGES IN THE EPIDERMIS
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DERMIS SKIN RECEPTOR
- MEISSENER CORPUSCLE |
IN DERMAL PAPILLAE
WHICH ARE NERVE ENDINGS ACTING AS A TOUCH RECEPTOR |
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DERMIS SKIN RECEPTOR
- PACINIAN CORPUSCLE |
PRESSURE SENSITIVE NERVE ENDING IN THE SUBQ LAYER
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DERMIS SKIN RECEPTOR
- PAIN AND TEMPERATURE |
NERVE ENDING RECEPTORS IN THE UPPER AND MIDDLE DERMIS
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dermis skin receptor
-Light Touch |
nerve ending receptors are different from normal touch receptors
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dermis skin receptor
-Vibratory |
ner ending receptors are different and separate form other receptors
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Lines of Cleavage
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aka tension lines; collagen fiber direction;
Surgical repair & granulation |
