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36 Cards in this Set
- Front
- Back
ORGANS OS INTEGUMENTARY SYSTEM |
SKIN AND ITS ACCESSORY STRUCTURES - HAIR, NAILS, AND GLANDS. BLOOD VESSELS, MUSCLES, AND NERVES |
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INTEGUMENT |
CUTANEOUS MEMBRANE THAT COVERS THE OUTER SURFACE OF THE BODY. LARGEST ORGAN BY SURFACE AREA AND WEIGHT |
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FUNCTIONS OF THE SKIN |
REGULATE TEMP SENSORY PERCEPTIONS SYNTHESIS OF VITAMIN D EMOTIONAL EXPRESSION RESERVOIR OF BLOOD |
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STRUCTURE OF SKIN |
2 LAYERS - EPIDERMIS - SUPERFICIAL, CONSISTS OF EPITHELIAL TISSUE DERMIS - DEEPER, THICKER, CONSISTS OF C.T. |
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FOUNDATION FOR THE SKIN |
SUBCUTANEOUS (SUGQ - HYPODERMIS) LAYER UNDERNEATH THE DERMIS, NOT PART OF THE SKIN. LOOSE AREOLAR/ADIPOSE C.T.. ATTACHES SKIN TO UNDERLYING TISSUES AND ORGANS |
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EPIDERMIS |
COMPOSED OF KERATINIZED STRATIFIED SQUAMOUS EPITHELIUM W/4 TYPES OF CELLS: KERATINOCYTES MELANOCYTES LANGERHANS MERKEL |
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KERATINOCYTES |
90% OF CELLS, PRODUCE KERATIN - TOUGH FIBROUS PROTEING THAT PROVIDES PROTECTION |
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MELANOCYTES |
PRODUCE PIGMENT MELANIN - PROTECTS AGAINST UV RADIATION |
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LANGERHANS |
MACROPHAGES IN RED BONE MARROW, INVOLVED IN IMMUNE RESPONSES |
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MERKEL |
ASSOCIATED WITH NERVE ENDINGS, DETECT LIGHT TOUCH AND PRESSURE |
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4 -5 LAYERS OF EPIDERMIS IN THIN AND THICK SKIN |
STRATUM BASALE STRATUM SPINOSUM STRATUM GRANULOSUM STRATUM LUCIDUM STRATUM CORNEUM |
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STRATUM BASALE |
BOTTOM DEEPEST LAYER. CONTINUOUS CELL DIVISION AND PRODUCES ALL OTHER LAYERS. SINGLE LAYER OF EPITHELIAL CELLS ON BASEMENT MEMBRANE ATTACHED BY HEMIDESMOSOMES |
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STRATUM SPINOSUM |
8-10 LAYERS OF KERATINOCYTES. CELL DIVISION MAY OCCUR IN THE DEEPEST LAYERS. CELLS ARE CONNECTED TO EACH OTHER BY DESMOSOMES. KERATIN FILAMENTS OF THE CYTOSKELETON INSERT INTO THE DESMOSOME |
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STRATUM GRANULOSUM |
2-5 LAYERS OF CELLS FILLED WITH GRANULES OF KERATOHYALIN (PROTEN THAT ASSEMBLES FILAMENTS INTO KERATIN) AND GRANULES OF LIPID-FILLED LAMELLAR BODIES. CELLS DIE AS THEY MVE THROUGH, GRANULES DISCHARGE. HELP TO WATERPROOF SKIN |
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STRATUM LUCIDUM |
SEVERAL LAYERS OF DEAP TRANSPARENT CELLS, ONLY PRESENT IN THICK SKIN....PALMS, SOLES, FINGERTIPS |
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STRATUM CORNEUM |
OUTERMOST, MOST SUPERFICIAL LAYER COMPOSED OF 20 OR MORE LAYERS OF DEAD KERATINOCYTES FILLED WITH KERATIN PROTEIN (DEAD BAGS OF KERATIN) |
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DESQUAMATION |
PROCESS OF CELLS FROM THE STRATUM CORNEUM LAYER THAT SHED AND ARE REPLACED FROM DEEPER STRATA |
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KERATINIZATION |
PROCESS OF ACCUMULATING MORE AND MORE OF THE WAXY PROTEIN KERATIN AS CELLS MOVE FROM THE DEEPEST LAYER TO THE SURFACE LAYER. TAKES 4-6 WEEKS |
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DANDRUFF |
EXCESS OF KERATINIZED CELLS FROM THE SCALP |
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PSORIASIS |
KERATINOCYTES DIVIDE VERY RAPIDLY AND ARE SHED IN AS LITTLE AS 7 - 10 DAYS |
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THIN SKIN |
HAIRY, COVERS ALL BODY REGIONS EXCEPT PALMS, PALMAR SURFACES OF DIGITS, AND SOLES. LACKS STRATUM LUCIDUM |
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THICK SKIN |
HAIRLESS, COVERS PALMS, PALMAR SURFACES OF DIGITS, AND SOLES. |
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MELANIN |
SKIN PIGMENT PRODUCED BY MELANOCYTES IN THE STRATUM BASALE. SEVERAL FORMS - SEVERAL DIFFERENT COLORS ABSORBS UV LIGHT |
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CAROTENE |
YELLOW PIGMENT INGESTED THROUGH DIET. ACCUMULATES IN LIPIDS AND CAN GIVE YELLOWISH TINT |
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BLOOD |
IMPARTS REDDISH COLOR WHICH DEEPENS WHEN BLOOD FLOW NEAR THE SURFACE INCREASES. BLUSHING, ANGER, ALCOHOL, ETC. |
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NEVI |
BIRTHMARKS OR MOLES - CHRONIC LESIONS OF THE SKIN, USUALLY BENIGN |
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MALIGNANT MELANOMA |
CANCER OF MELANOCYTES |
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DERMIS |
COMPOSED OF C.T. CONTAINING COLLEGEN AND ELASTIC FIBERS. HAS TWO REGIONS; PAPILLARY RETICULAR |
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PAPILLARY REGION OF DERMIS |
LIES BELOW THE EPIDERMIS AND CONSISTS AREOPAR C.T. CONTAINING THIN COLLAGEN AND ELASTIC FIBERS |
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RETICULAR REGION OF DERMIS |
DENSE IRREGULAR C.T. CONTAINING COLLAGEN AND ELASTIC FIBERS, ADIPOSE CELLS, HAIR FOLLICLES, NERVES, SEBACEOUS GLANDS, AND SUDORIFEROUS (SMELLY SWEAT) GLANDS |
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STRIAE |
TEARS OF EXCESSIVE STRETCHING IN THE RETICULAR REGION OF THE DERMIS CAUSING STRETCH MARKS |
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CLEAVAGE LINES |
TENSION LIES IN THE SKIN THAT INDICATE THE PREDOMINANT DIRECTION OF UNDERLYING COLLAGEN FIBERS |
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EPIDERMAL RIDGES |
REFLECT CONTOURS OF THE UNDERLYING DERMAL PAPILLAE AND FORM THE BASIS FOR FINGERTIPS AND FOOTPRINTS. INCREASES FRICTION |
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SUBCUTANEOUS LAYER |
HYPODERMIS, ATTACHES THE SKIN TO THE UNDERLYING TISSUES AND ORGANS, CONTAINS BLOOD VESSELS AND NERVES, SENSORY RECEPTORS, COMPOSED OF AREOLAR C.T. AND ADIPOSE. HALF BODYS FAT IN THIS AREA PROVIDING PADDING AND INSULATION |
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SENSORY RECEPTORS |
SUPERFICIAL LAYER - MERKEL DISCS - LIGHT TOUCH DEEP - PACINIAN (LAMELLATED) CORPUSCLES - DEEP TOUCH AND PRESSURE |
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STOPPED AT HAIR AND NAILS |
FINISH LATER |