Lab 3 Flashcards by Kory Barnes

WHAT IS THE EPIDERMIS?

SKIN LAYER

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WHAT CELL TYPES ARE IN THE EPIDERMIS?

KERATINOCYTES, MELANOCYTES, TACTILE (MERKEL) CELLS, DENDRITIC

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WHAT IS THE FUNCTION OF KERATINOCYTES?

PRODUCE PROTECTIVE HARD, WATERPOOFING PROTEIN, KERATIN

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WHAT IS THE FUNCTION OF MELANTOCYTES?

PRODUCE PROCTECTIVE PIGMENT, MELANIN

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WHAT IS THE FUNCTION OF TACTILE CELLS?

LIGHT TOUCH RECEPTION

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WHAT IS THE FUNCTION OF DENDRITIC CELLS?

SPECIALIZED WHITE BLOOD CELLS THAT ENGLUF AND DIGEST FOREIGN PARTICLES

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WHAT IS THE FUNCTION OF STRATUM CORNEUM

MOST SUPERFICIAL EPIDMERNAL LAYER. MANY LAYERS OF DEAD CELLS CONTINUALLY SHED

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WHAT IS THE FUNCTION OF STRTUM LUCIDUM?

A FEW LAYERS OF DEAD KERATINOCYTES

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WHERE IS LUCIDUM NOT FOUND?

NOT FOUND IN THIN SKIN

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WHAT IS THE FUNCTION OF STRATUM GRANULOSUM?

MANY LAYERS OF CELLS. CONTAINS KERATINOCYTES THAT FILL WITH KERATIN AND BEGIN TO DIE

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WHAT IS THE FUNCTION OF STRATUM SPINOSUM?

MANY LAYERS OF CELLS. CONTAIN KERATINOCYTES AND DENDRITIC CELLS

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WHAT IS THE FUNCTION OF STRATUM BASALE?

DEEPEST EPIDERMAL LAYER. SINGLE LAYER OF CELLS. CONTAINS KERATINOCYTES AND MEALNOCYTES

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WHAT IS THE DERMIS?

DEEP LAYER OF SKIN

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WHAT LAYERS ARE WITHIN THE DERMIS SKIN LAYER?

PAPILLARY LAYER, DERMAL LAYER, RECTICULAR LAYER

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WHAT IS THE FUNCTION OF THE PAPILLARY LAYER?

SUPERFICIAL LAYER OF DERMIS. MADE OF LOOSE (AREOLAR) CONNECTIVE TISSUE. 20% OF DERMIS

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WHAT IS THE FUNCTION OF DERAL PAPILLAE

PART OF THE PAPILLARY LAYER IN CONTACT IN EPIDERMIS: FINGER LIKE PROJECTIONS (FOLDS) CONTAIN CAPILLARIES, TACTILE, CORPUSCLES, OR FREE NEVE ENDINGS.

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WHAT IS THE FUNCTION OF THE RETICULAR LAYER

DEEP LAYER OF DERMIS. MADE OF DENSE IRREGULAR CONNECTIVE TISSUE WITH COLLAGEN, ELASTIC, AND RETICULAR FIBERS TO PROVIDE, STRENGTH, FLEXIBILITY AND SUPPORT. 80% OF DERMIS

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WHAT IS HYPODERMIS?

NOT A LAYER OF SKIN; LAYER UNDER THE DERMIS THAT CONNECTS SKIN TO OTHERS TISSUES LIKE MUSCLES AND CONTAINS BLOOD VESSELS. PRIMARILY COMPOSED OF ADIPOSE PROTECTION

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WHAT IS ADIPOSE TISSUE?

FAT/ENERGY STORAGE, ACTS OF INSULATION, AND PROVIDES PROTECTION

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WHAT IS HAIR COMPOSED OF?

SHAFT AND ROOT

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DESCRIBE AND NAME THE FUNCTION OF THE HAIR ROOT IS

BELOW THE SKIN SURFACE. WITHIN HAIR FOLLICLE. CONTAINS LIVING KERATINOCYTES

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DESCRIBE AND NAME THE FUNCTION OF THE HAIR BULB

KNOBLIKE BASE OF HAIR ROOT. ENCLOSES HAIR PAPILLA

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DESCRIBE AND NAME THE FUNCTION HAIR SHAFT

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MADE OF DEAD KERATINOCYTES, PROJECTS ABOUT THE SKIN

DESCRIBE AND NAME THE FUNCTION OF HAIR PAPILLA

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INDENTATION IN BOTTOM OF HAIR SHAFT. CONTAINS CAPILLARIES THAT NOURISH DIVIDING CELLS IN MATRIX

DESCRIBE AND NAME THE FUNCTION OF HAIR FOLLICLE

SHEATH THAT ENCLOSES THE HAIR ROOT

DESCRIBE AND NAME THE FUNCTION OF ARRECTOR PILI MUSCLE

BUNLDE OF SMOOTH MUSCLE FIBERS. CAN CONTRACT TO PULL HAIR UPRIGHT OR CAUSEE GOOSEBUMPS

DESCRIBE AND NAME THE FUNCTION OF THE MATRIX

LOCATION OF KERANTINOCYTE GENERATION

NAME ALL THE GLAND-RELATED ACCESSORY STRUCTURES

ECCRINE SWEAT GLAND, SWEAT PORE, APOCRINE SWEAT GLAND, SEBACEOUS GLAND

DESCRIBE AND NAME THE FUNCTION OF ECCRINE SWEAT GLAND

LOCATED OVER ENTIRE BOSY, SECRETE, SWEAT CONTAINING WATER, SALT, WASTE; TEMPERATURE REGULATION

DESCRIBE AND NAME THE FUNCTION OF SWEAT PORE

OPENING IN SKIN SURFACE FORC ECCRINE SWEAT GLAND

DESCRIBE AND NAME THE FUNCTION OF APOCRINE SWEAT GLAND

IN ARMPITS, AGOGENTIAL AREAS, AREOLA, SWETA GLANDS CONTAIN WATER, SALT, WASTE, PROTEINS; RESPONSE TO PAIN, STRESS, SEXUAL STIMULATION

DESCRIBE AND NAME THE FUNCTION OF SEBACEOUS GLAND

SECRETE SEBUM, (OILY AND ACIDIC) ONTO SKIN OR HAIR FOLLICLES; LUBRICATION

LIST ALL THE NAIL-RELATED ACCESSORY STRUCTURES

EPONYCHIUM, HYPONYCHIUM, LUNULA, NAIL BED, NAIL FOLD, NAIL MATRIX, NAIL PLATE, NAIL BODY, NAIL ROOT, FREE EDGE OF NAIL

DESCRIBE AND NAME THE FUNCTION OF THE EPONYCHIUM

CUTICLE. MOST DISTAL PORTION OF THE PORMIX NAIL FOLDS. MADE OF ONLY STRATUM COERNEUM.

DESCRIBE AND NAME THE FUNCTION OF THE HYPONYCHIUM

ACCUMULATION OF STRATUM CORNCEUM. KNOWN AS A QUICK. UNDER FREE EGDE OF NAIL PLATE. ATTACHES NAIL OF BED

DESCRIBE AND NAME THE FUNCTION OF THE LUNULA

CRESCENT-SHAPED WHITE AREA OF NAIL PLATE THAT IS ABOVE NAIL MATRIX

DESCRIBE AND NAME THE FUNCTION OF THE NAIL BED

AREA DIRECTLY UNDER NAIL PLATE

DESCRIBE AND AND NAME THE FUNCTION NAIL FOLD

FOLDED SKIN THAT KEEPS NAIL IN PLACE

DESCRIBE AND NAME THE FUNCTION OF THE NAIL MATRIX

PROXIMAL PART OF NAIL BED. GROWING REGION THAT HAS ACTIVELY DIVIDING CELLS.

DESCRIBE AND NAME THE FUNCTION OF THE NAIL PLATE

MADE OF NAIL BODY AND NAIL ROOT, COVERS EPIDERMAL NAIL BED.

DESCRIBE AND NAME THE FUNCTION OF THE NAIL BODY

EXPOSED PORTION OF NAIL PLATE

DESCRIBE AND NAME THE FUNCTION OF THE NAIL ROOT

PART OF NAIL PLATE THAT IS UNDER SKIN

DESCRIBE AND NAME THE FUNCTION OF THAT FREE EGDE OF NAIL

PART OF NAIUL THAT GROWS BEYOND THE HYPONYCHIUM

LIST ALL THE SENSORY RECEPTORS AND VESSELS

FREE NERVE ENDINGS, SENSORY NERVE, TACTILE CORPUSCLE, LAMELLAR CORPUSCLE, BOOOD VESSELS

WHAT IS THE FUNCTION OF FREE NERVE ENDINGS?

PAIN, TEMPERATURE TOUCH RECEPTORS

WHAT IS THE FUNCTION OF THE SENSORY NERVE?

DETECTS CHANGES IN THE ENVIRONMENT AND TRANSMITS INFO TO THE CNS

WHAT IS THE FUNCTION OF THE TACILE CORPUSCLE?

RESPONDS TO LIGHT TOUCH

WHAT IS THE FUNCTION OF THE LAMELLAR CORPUSCLE?

RESPONDS TO PRESSURE AND VIBRATIONS

WHAT IS THE FUNCTION OF BLOOD VESSELS?

CARRY BLOOD TO AND FROM TISSUES

LIST ALL GENERAL SENSES

THERMOREPECTOR, NOCICEPTOR, MECHANORECEPTOR, REFFERED PAIN, TWO-POINT THRESHOLD, ADAPTATION, SENSORY HOMUNCULUS

WHAT IS THE FUNCTION OF THE THERMORECEPTOR?

RECEPTOR THAT DETECTS CHANGES IN THE TEMPERATURE

WHAT IS THE FUNCTION OF THE NOCICEPTOR?

RECEPTOR THAT DETECTS PAIN/DAMAGE IN TISSUES?

WHAT IS THE FUNCTION OF THE MECHANORECEPTOR?

RECEPTOR THAT DETECTS CHANGES IN THE PRESSURE, STRETCH OR VIBRATION

WHAT IS THE FUNCTION OF THE REFERRED PAIN?

PAIN FELT IN ONE AREA ALTHOUGH THE ACTUAL SOURCE OF PAIN IS LOCATED ELSEWHERE

WHAT IS THE FUNCTION OF THE TWO-POINT THRESHOLD

MINIMAL DISTANCE WHERE TWO POINTS CAN BE FELT.

WHAT IS THE FUNCTION OF THE ADAPTATION?

SENSORY EVENT WHERE REPEATED STIMULATION LEADS TO CESSATION OF SENSATION

WHAT IS THE FUNCTION OF THE SENSORY HOMUNCULUS?

MAP OF SOMTAMOSENSORY CORTEX SHOWING RELATIVE AREAS OF THE CORTEX DEVOTED TO SENSATIONS FROM THE VARIOUS REGIONS OF THE BODY

Lab 3 Flashcards

(57 cards)